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The “Changing Landscapes” Special Edition
Lacy, Brian E. MD, PhD, FACG1; Spiegel, Brennan MD, MSHS, FACG2
doi : 10.14309/ajg.0000000000001512
October 2021 - Volume 116 - Issue 10 - p 1969
Psychiatric Disease Susceptibility and Pain in Chronic Pancreatitis: Association or Causation?
Faghih, Mahya MD1,2; Drewes, Asbjørn M. MD, PhD3,4; Singh, Vikesh K. MD, MSc1,2
doi : 10.14309/ajg.0000000000001491
October 2021 - Volume 116 - Issue 10 - p 2026-2028
Pain perception in chronic pancreatitis (CP) is governed by the transmission of nociceptive inputs into the pain processing centers of the brain. These regions of the brain overlap with those that regulate and process emotions and cognition. Disorders in these regions also result in psychiatric conditions such as depression, anxiety, and posttraumatic stress disorder. The present study by Dunbar et al. evaluated 24 single nucleotide polymorphisms associated with anxiety and/or posttraumatic stress disorder and found correlations with constant and severe pain phenotypes in CP patients from a large cross-sectional cohort study. Although causation cannot be proven, the findings suggest that there may be a role for neuromodulator drugs for the treatment of pain in CP based on individual genetic susceptibility.
Is Proactive Therapeutic Drug Monitoring Ready for the Spotlight in Inflammatory Bowel Disease? Follow the Data
Battat, Robert MD1; Long, Millie D. MD, MPH, FACG2
doi : 10.14309/ajg.0000000000001500
October 2021 - Volume 116 - Issue 10 - p 2029-2031
As a plethora of data emerges on therapeutic drug monitoring (TDM) of biologics in inflammatory bowel disease, guidance on its application is needed. In this literature review and consensus statement, the authors recommend reactive TDM for all biologics, summarize concentration targets, and provide guidance on TDM in various scenarios. Proactive TDM with tumor necrosis factor-antagonist monotherapy is recommended as an alternative to the combination of tumor necrosis factor-antagonists with immunomodulators. Although observational data support this approach, randomized controlled trials do not. We argue that there is considerable work left to be performed before embracing proactive TDM as an equivalent alternative to combination therapy in inflammatory bowel disease.
“Sickeningly Sweet”…. High-Fructose Corn Syrup-Caveat Emptor!
Johnson, David A. MD, MACG, FASGE, MACP1
doi : 10.14309/ajg.0000000000001335
October 2021 - Volume 116 - Issue 10 - p 1970-1971
How We Did It: Virtual Interviews With an Eye Toward the Future
Kamboj, Amrit K. MD1; Chandrasekhara, Vinay MD1; Simonetto, Douglas A. MD1; Raffals, Laura E. MD, MS1
doi : 10.14309/ajg.0000000000001314
October 2021 - Volume 116 - Issue 10 - p 1972-1975
Utilization of Endoscopy Scissors for Retrieval of Esophageal Embedded Foreign Body
Su, Xing1; He, Qin1; Zhu, Yuxia1; Zou, Peng1; Li, Mingke1; Zou, Ruizheng1
doi : 10.14309/ajg.0000000000001211
October 2021 - Volume 116 - Issue 10 - p 1976
Acute Esophageal Necrosis in a Patient With COVID-19
Deliwala, Smit S. MD1; Gurvits, Grigoriy E. MD, FACP, FACG, AGAF2
doi : 10.14309/ajg.0000000000001207
October 2021 - Volume 116 - Issue 10 - p 1977
Extensive Upper Gastrointestinal Fistulization in Crohn's Disease, an Uncommon Cause for a Common Presentation
Ashhab, Ashraf A. MD1; Lee, Moses DO2; Melmed, Gil Y. MD1
doi : 10.14309/ajg.0000000000001210
October 2021 - Volume 116 - Issue 10 - p 1978
Rare Multiple Liver Lesions With Concentric Circle Pattern
Gao, Xuehan MD1; Gao, Yuanjing MD2; Ye, Xin MD3; Kang, Weiming MD3
doi : 10.14309/ajg.0000000000001216
October 2021 - Volume 116 - Issue 10 - p 1979
Cauliflower Sign on Endoscopic Ultrasound in Metastatic Psammocarcinoma
Tang, Shou-jiang MD1; Akhtar, Israh MD2
doi : 10.14309/ajg.0000000000001205
October 2021 - Volume 116 - Issue 10 - p 1980
SpyGlass-Guided Laser Lithotripsy for the Treatment of Giant Appendiceal Fecalith: First Human Case Report
Kong, Ling-Jian PhD1; Zhang, Ji-Yu MD1; Ullah, Saif MD1; Liu, Bing-Rong MD, PhD1
doi : 10.14309/ajg.0000000000001409
October 2021 - Volume 116 - Issue 10 - p 1981-1982
CME Information
doi : 10.14309/ajg.0000000000001123
October 2021 - Volume 116 - Issue 10 - p 1983-1984
Continuing Medical Education Questions: October 2021
Young, Renee L. MD, FACG
doi : 10.14309/ajg.0000000000001514
October 2021 - Volume 116 - Issue 10 - p 1985
A comprehensive literature review and expert consensus statement on therapeutic drug 2 monitoring of biologics in inflammatory bowel disease
Continuing Medical Education Questions: October 2021
Sultan, Shahnaz MD, MHSc
doi : 10.14309/ajg.0000000000001519
October 2021 - Volume 116 - Issue 10 - p 1986
ACG Clinical Guidelines Management of Benign Anorectal Disorders
ACG Clinical Guidelines: Management of Benign Anorectal Disorders
Wald, Arnold MD, MACG1; Bharucha, Adil E. MBBS, MD2; Limketkai, Berkeley MD, PhD, FACG3; Malcolm, Allison MBBS, FRACP4; Remes-Troche, Jose M. MD, MsC5; Whitehead, William E. PhD6; Zutshi, Massarat MD7,8
doi : 10.14309/ajg.0000000000001507
October 2021 - Volume 116 - Issue 10 - p 1987-2008
Benign anorectal disorders of structure and function are common in clinical practice. These guidelines summarize the preferred approach to the evaluation and management of defecation disorders, proctalgia syndromes, hemorrhoids, anal fissures, and fecal incontinence in adults and represent the official practice recommendations of the American College of Gastroenterology. The scientific evidence for these guidelines was assessed using the Grading of Recommendations Assessment, Development and Evaluation process. When the evidence was not appropriate for Grading of Recommendations Assessment, Development and Evaluation, we used expert consensus to develop key concept statements. These guidelines should be considered as preferred but are not the only approaches to these conditions.
Development of gastroenterology and transplant hepatology milestones 2.0: a guide for programs, faculty, and fellows
Shah, Brijen J. MD1; Onken, Jane E. MD, MHS2; Edgar, Laura EdD, CAE3; Jou, Janice H. MD, MHS4; Obstein, Keith L. MD, MPH5; Pardi, Darrell S. MD, MS6; Richter, Seth MD7; Reddy, Gautham MD8; Rose, Suzanne MD, MSEd9; Szyjkowski, Ronald MD10; Fix, Oren K. MD, MSc11
doi : 10.14309/ajg.0000000000001490
October 2021 - Volume 116 - Issue 10 - p 2009-2013
A Comprehensive Literature Review and Expert Consensus Statement on Therapeutic Drug Monitoring of Biologics in Inflammatory Bowel Disease
Cheifetz, Adam S. MD1; Abreu, Maria T. MD2; Afif, Waqqas MD3; Cross, Raymond K. MD, MS4; Dubinsky, Marla C. MD5; Loftus, Edward V. Jr MD6; Osterman, Mark T. MD, MS7; Saroufim, Ariana BS1; Siegel, Corey A. MD, MS8; Yarur, Andres J. MD9; Melmed, Gil Y. MD10; Papamichael, Konstantinos MD, PhD1
doi : 10.14309/ajg.0000000000001396
October 2021 - Volume 116 - Issue 10 - p 2014-2025
Therapeutic drug monitoring (TDM) of biologics is a rapidly evolving field. We aimed to provide a consensus statement regarding the clinical utility of TDM for biologics in inflammatory bowel disease (IBD). A modified Delphi method was applied to develop consensus statements. A comprehensive literature review was performed regarding TDM of biologic therapies in IBD, and 45 statements were subsequently formulated on the potential application of TDM in IBD. The statements, along with literature, were then presented to a panel of 10 gastroenterologists with expertise in IBD and TDM who anonymously rated them on a scale of 1–10 (1 = strongly disagree and 10 = strongly agree). An expert consensus development meeting was held virtually to review, discuss, refine, and reformulate statements that did not meet criteria for agreement or that were ambiguous. During the meeting, additional statements were proposed. Panelists then confidentially revoted, and statements rated ?7 by 80% or more of the participants were accepted. During the virtual meeting, 8 statements were reworded, 7 new statements were proposed, and 19 statements were rerated. Consensus was finally reached in 48/49 statements. The panel agreed that reactive TDM should be used for all biologics for both primary nonresponse and secondary loss of response. It was recommended that treatment discontinuation should not be considered for infliximab or adalimumab until a drug concentration of at least 10–15 ?g/mL was achieved. Consensus was also achieved regarding the utility of proactive TDM for anti–tumor necrosis factor therapy. It was recommended to perform proactive TDM after induction and at least once during maintenance. Consensus was achieved in most cases regarding the utility of TDM of biologics in IBD, specifically for reactive and proactive TDM of anti–tumor necrosis factors.
Prediction of Esophageal Retention: A Study Comparing High-Resolution Manometry and Functional Luminal Imaging Probe Panometry
Carlson, Dustin A. MD, MS1; Baumann, Alexandra J. DO1; Prescott, Jacqueline E. BS1; Schauer, Jacob M. PhD2; Krause, Amanda MD1; Donnan, Erica N. MD1; Kou, Wenjun PhD1; Kahrilas, Peter J. MD1; Pandolfino, John E. MD, MS1
doi : 10.14309/ajg.0000000000001402
October 2021 - Volume 116 - Issue 10 - p 2032-2041
High-resolution manometry (HRM) is generally considered the primary method to evaluate esophageal motility; functional luminal imaging probe (FLIP) panometry represents a novel method to do so and is completed during sedated endoscopy. This study aimed to compare HRM and FLIP panometry in predicting esophageal retention on timed barium esophagram (TBE).
A Pragmatic Randomized Controlled Trial of an Endoscopist Audit and Feedback Report for Colonoscopy
Tinmouth, Jill MD, PhD1,2,3,4,5; Sutradhar, Rinku PhD2,3; Li, Qing MMath3; Patel, Jigisha MSc1; Baxter, Nancy N. MD, PhD6; Llovet, Diego PhD2,4; Paszat, Lawrence F. MD, MS2,3; Rabeneck, Linda MD, MPH2,3,4,5
doi : 10.14309/ajg.0000000000001498
October 2021 - Volume 116 - Issue 10 - p 2042-2051
Variation in endoscopist performance contributes to poor-quality colonoscopy. Audit and feedback (A/F) can be used to improve physician performance, particularly among lower performing physicians. In this large pragmatic randomized controlled trial, we compared A/F to improve endoscopists' colonoscopy performance to usual practice.
Prospective Evaluation of Endoscopic and Histologic Indices in Pediatric Ulcerative Colitis Using Centralized Review
Ricciuto, Amanda MD, PhD, FRCPC1; Carman, Nicholas BSc, MBBS, FRACP2; Benchimol, Eric I. MD, PhD, FRCPC1,2,3; Siddiqui, Iram MBBS, MSc, FRCPC4; Putra, Juan MD4; Khanna, Reena MD, MSc5; Griffiths, Anne M. MD, FRCPC1; Walters, Thomas D. MBBS, MSc, FRACP1; Church, Peter C. MD, MSc, FRCPC1
doi : 10.14309/ajg.0000000000001400
October 2021 - Volume 116 - Issue 10 - p 2052-2059
We aimed to evaluate the reliability and validity of the Ulcerative Colitis (UC) Endoscopic Index of Severity (UCEIS) and Mayo Endoscopy Score (MES) and to validate the Robarts Histopathology Index (RHI) and Nancy Index (NI) in pediatric UC. We examined rectosigmoid and pancolonic versions of each instrument.
Trends in the Economic Burden of Chronic Liver Diseases and Cirrhosis in the United States: 1996–2016
Ma, Christopher MD, MPH1,2; Qian, Alexander S. MD3; Nguyen, Nghia H. MD, MAS3; Stukalin, Igor MD4; Congly, Stephen E. MD, MSc1; Shaheen, Abdel Aziz MBChB, MPH1,2; Swain, Mark G. MD MSc1; Teriaky, Anouar MD, MPH5; Asrani, Sumeet K. MD6; Singh, Siddharth MD, MSc3,7
doi : 10.14309/ajg.0000000000001292
October 2021 - Volume 116 - Issue 10 - p 2060-2067
The management of chronic liver diseases (CLDs) and cirrhosis is associated with substantial healthcare costs. We aimed to estimate trends in national healthcare spending for patients with CLDs or cirrhosis between 1996 and 2016 in the United States.
The Changing Epidemiology of Liver Disease Among US Children and Adolescents From 1999 to 2016
Li, Jie MD1; Le, Michael H. MD2; Barakat, Monique T. MD2,3; Cheung, Ramsey C. MD2,4; Nguyen, Mindie H. MD2,5
doi : 10.14309/ajg.0000000000001386
October 2021 - Volume 116 - Issue 10 - p 2068-2078
Nonalcoholic fatty liver disease (NAFLD) and infection with hepatitis B virus (HBV) or hepatitis C virus (HCV) are major causes of liver disease in adults. However, data for children and adolescents are limited. Our study aimed to characterize the prevalence, trend, and risk factors of infection of HBV and HCV and possible NAFLD for this population.
Outcomes After TIPS for Ascites and Variceal Bleeding in a Contemporary Era—An ALTA Group Study
Boike, Justin Richard MD, MPH1; Mazumder, Nikhilesh Ray MD, MPH1; Kolli, Kanti Pallav MD2; Ge, Jin MD, MBA3; German, Margarita MD4; Jest, Nathaniel DO5; Morelli, Giuseppe MD5; Spengler, Erin MD4; Said, Adnan MD4; Lai, Jennifer C. MD, MBA3; Desai, Archita P. MD6; Couri, Thomas MD7; Paul, Sonali MD, MS7; Frenette, Catherine MD8; Verna, Elizabeth C. MD, MS9; Rahim, Usman MD10; Goel, Aparna MD10; Gregory, Dyanna MS1; Thornburg, Bartley MD11; VanWagner, Lisa B. MD, MSc1; on behalf of the Advancing Liver Therapeutic Approaches (ALTA) Study Group
doi : 10.14309/ajg.0000000000001357
October 2021 - Volume 116 - Issue 10 - p 2079-2088
Advances in transjugular intrahepatic portosystemic shunt (TIPS) technology have led to expanded use. We sought to characterize contemporary outcomes of TIPS by common indications.
Potential Bias and Misconceptions in Liver Transplantation for Alcohol- and Obesity-Related Liver Disease
Van, Jeremy DO1; Aloman, Costica MD2; Reau, Nancy MD2
doi : 10.14309/ajg.0000000000001349
October 2021 - Volume 116 - Issue 10 - p 2089-2097
Bias and misconceptions surrounding alcohol-related liver disease (ALD) and obesity-related liver disease (OLD) may lead to transplant listing inequities. The aim of this study was to evaluate patients, medical students, residents, fellows, and attending physicians for bias and misconceptions regarding liver transplantation (LT) for patients with ALD and OLD.
Effect of Vitamin D Supplementation on Vitamin D Level and Bone Mineral Density in Patients With Cirrhosis: A Randomized Clinical Trial
Grover, Indu MSc1; Gunjan, Deepak MD, DM1; Singh, Namrata PhD1; Benjamin, Jaya PhD2; Ramakrishnan, Lakshmy PhD3; Pandey, Ravindra M. PhD4; Sati, Hem C. MSc4; Saraya, Anoop MD, DM1
doi : 10.14309/ajg.0000000000001272
October 2021 - Volume 116 - Issue 10 - p 2098-2104
In patients with cirrhosis, highly prevalent vitamin D deficiency and low bone mineral density (BMD) increase the burden of disease, and role of vitamin D supplementation is not clear. So, our aim was to determine the effect of vitamin D supplementation on vitamin D level and BMD in patients with cirrhosis.
Prehabilitation-Driven Changes in Frailty Metrics Predict Mortality in Patients With Advanced Liver Disease
Lin, Fei-Pi MD1; Visina, Jacqueline M. MD2; Bloomer, Pamela M. PT, MPT3; Dunn, Michael A. MD4; Josbeno, Deborah A. PT, PhD5; Zhang, Xingyu PhD3; Clemente-Sanchez, Ana MD4,6; Tevar, Amit D. MD3; Hughes, Christopher B. MD3; Jakicic, John M. PhD7; Duarte-Rojo, Andrés MD, PhD4
doi : 10.14309/ajg.0000000000001376
October 2021 - Volume 116 - Issue 10 - p 2105-2117
Frailty is a predictor of morbidity and mortality in cirrhosis. Although evidence for prehabilitation is promising, the data for liver transplant (LT) candidates are limited. The primary aim of this study was to evaluate the effect of a novel prehabilitation strategy on changes in frailty metrics and survival in LT candidates. The secondary aim was to determine liver-related and extrahepatic conditions associated with frailty.
Evaluating the Impact of Cost on the Treatment Algorithm for Chronic Idiopathic Constipation: Cost-Effectiveness Analysis
Shah, Eric D. MD, MBA1; Staller, Kyle MD, MPH2; Nee, Judy MD3; Ahuja, Nitin K. MD, MS4; Chan, Walter W. MD5; Lembo, Anthony MD3; Brenner, Darren M. MD6; Siegel, Corey A. MD, MS1; Chey, William D. MD7
doi : 10.14309/ajg.0000000000001403
October 2021 - Volume 116 - Issue 10 - p 2118-2127
Chronic idiopathic constipation (CIC) is a common and burdensome illness. We performed a cost-effectiveness analysis of the US Food and Drug Administration–approved CIC drugs to evaluate and quantify treatment preferences compared with usual care from insurer and patient perspectives.
Pain Experience in Pancreatitis: Strong Association of Genetic Risk Loci for Anxiety and PTSD in Patients With Severe, Constant, and Constant-Severe Pain
Dunbar, Ellyn K. MS1,2; Greer, Phil J. MS1,3; Amann, Stephen T. MD4; Alkaade, Samer MD5,6; Banks, Peter MD7; Brand, Randall MD1; Conwell, Darwin L. MD, MSc7,8; Forsmark, Christopher E. MD9; Gardner, Timothy B. MD10; Guda, Nalini M. MD11,12; Lewis, Michele D. MD13; Machicado, Jorge D. MD1,14; Muniraj, Thiruvengadam MD, PhD1,15; Papachristou, Georgios I. MD, PhD1,8; Romagnuolo, Joseph MD16,17; Sandhu, Bimaljit S. MD18,19; Sherman, Stuart MD20; Slivka, Adam MD, PhD1; Wilcox, C. Mel MD21; Yadav, Dhiraj MD, MPH1; Whitcomb, David C. MD, PhD1,2,22; for the NAPS2 Consortium
doi : 10.14309/ajg.0000000000001366
October 2021 - Volume 116 - Issue 10 - p 2128-2136
Recurrent acute pancreatitis (RAP) and chronic pancreatitis (CP) are progressive inflammatory syndromes with variable features. Pain is the primary feature that contributes to low physical and mental quality of life with a third of patients reporting severe pain. Pain experience is worsened by depression. Here, we tested the hypothesis that genetic risk of the psychiatric conditions of anxiety and post-traumatic stress disorder (PTSD) is associated with pain in CP and RAP + CP subjects.
Dissemination of Gastroenterology and Hepatology Research on Social Media Platforms Is Associated With Increased Citation Count
Ayoub, Fares MD1; Ouni, Ahmed MD2; Case, Robert MD3; Ladna, Michael MD3; Shah, Harsh MD3; Rubin, David T. MD1
doi : 10.14309/ajg.0000000000001240
October 2021 - Volume 116 - Issue 10 - p 2137-2139
The purpose of this study was to find out whether dissemination of gastroenterology and hepatology (GI) research on social media networks correlates with citation count at 5 years.
For Anal Cancer, Not All Women Are Equal
Albuquerque, Andreia MD, PhD1,2; Baptista, Pedro Vieira MD3,4,5; Clifford, Gary M. PhD6
doi : 10.14309/ajg.0000000000001298
October 2021 - Volume 116 - Issue 10 - p 2140
Response to Albuquerque et al.
Vegunta, Suneela MD1; Shah, Amit A. MD2; Whited, M. Helen MD2; Long, Margaret E. MD3
doi : 10.14309/ajg.0000000000001368
October 2021 - Volume 116 - Issue 10 - p 2140-2141
Clinical Characteristics of COVID-19 Patients With Gastrointestinal Symptoms in Northern Italy: Few Issues
Sahu, Saroj Kanta MD, DM1; Singh, Ayaskanta MD, DM2
doi : 10.14309/ajg.0000000000001319
October 2021 - Volume 116 - Issue 10 - p 2142
Response to Sahu and Singh
Schettino, Mario MD1; Manes, Gianpiero MD1
doi : 10.14309/ajg.0000000000001328
October 2021 - Volume 116 - Issue 10 - p 2142-2143
Effect of Vitamin D Supplementation on Vitamin D Level and Bone Mineral Density in Patients With Cirrhosis: Several Confounding Factors
Zhai, Lu-Lu MD1; Tang, Zhi-Gang PhD1
doi : 10.14309/ajg.0000000000001362
October 2021 - Volume 116 - Issue 10 - p 2143-2144
Response to Zhai and Tang
Grover, Indu MSc1; Gunjan, Deepak MD, DM1; Singh, Namrata PhD1; Saraya, Anoop MD, DM1
doi : 10.14309/ajg.0000000000001415
October 2021 - Volume 116 - Issue 10 - p 2144
Real-Time 3D Imaging of Post-Transplant Biliary Stricture: A Novel Application of Existing Technology
Koh, Calvin Jianyi MBBS, FRCP, FASGE1,2; Koo, Chieh Sian MBBS, MRCP1; Doshi, Bhavesh Kishor MBBS, MRCP1,2
doi : 10.14309/ajg.0000000000001294
October 2021 - Volume 116 - Issue 10 - p 2145-2146
Social Determinants of Health in Inflammatory Bowel Diseases: Barriers and Opportunities
Thakur, Kshitij MD1,2; Barrett, Terrance A. MD2
doi : 10.14309/ajg.0000000000001321
October 2021 - Volume 116 - Issue 10 - p 2146
Alarming Trends in Opioid Use Among Patients With GERD
Howden, Colin W. MD, FACG1; Taylor, Douglas C.A. MBA2; Tkacz, Joseph MS3
doi : 10.14309/ajg.0000000000001329
October 2021 - Volume 116 - Issue 10 - p 2146-2147
Considerations of Comorbidity and Codes Related to Opioid Prescriptions for Gastrointestinal Diseases
Liu, Yu MD1,2; Hu, Liang-Hao MD2
doi : 10.14309/ajg.0000000000001384
October 2021 - Volume 116 - Issue 10 - p 2147-2148
Response to Liu et al.
LeBrett, Wendi G. MD1; Chen, Frank W. MD1; Yang, Liu MD, MPH1; Chang, Lin MD1
doi : 10.14309/ajg.0000000000001408
October 2021 - Volume 116 - Issue 10 - p 2148-2149
Visibility of Women at the American College of Gastroenterology Annual Meetings Increasing Over Time
Jansson-Knodell, Claire L. MD1; Bhavsar-Burke, Indira MD1; Gayam, Swapna MD2; Kothari, Shivangi MD, FACG, FASGE3; Oxentenko, Amy S. MD, FACG4
doi : 10.14309/ajg.0000000000001345
October 2021 - Volume 116 - Issue 10 - p 2149-2151
Ashwagandha-Induced Liver Injury: Self-Reports on Commercial Websites as Useful Adjunct Tools for Causality Assessment
Weber, Sabine MD1; Gerbes, Alexander L. MD1
doi : 10.14309/ajg.0000000000001369
October 2021 - Volume 116 - Issue 10 - p 2151-2152
Strategies to Improve Exercise Adherence in Patients With Cirrhosis
Ushida, Kenta RPT, MMSc1; Shimizu, Miho RPT, MSc2; Yamamoto, Yoshinori RPT, MSc1; Momosaki, Ryo MD, PhD, MPH1
doi : 10.14309/ajg.0000000000001382
October 2021 - Volume 116 - Issue 10 - p 2153
Proton Pump Inhibitors and COVID-19: Confusing Status Quo
Lv, Xiu-He MD1,2; Wang, Zi-Jing MD1,2; Yang, Jin-Lin MD1,2
doi : 10.14309/ajg.0000000000001407
October 2021 - Volume 116 - Issue 10 - p 2153
Calendar of Courses, Symposiums and Conferences
doi : 10.14309/ajg.0000000000001515
October 2021 - Volume 116 - Issue 10 - p 2154
