Continuing Medical Education Questions: June 2014R, Kenneth; Vault, De MD, FACG; Badillo, Raul J MD; Bartel, Michal J MDAmerican Journal of Gastroenterology: June 2014 - Volume 109 - Issue 6 - p 828 doi: 10.1038/ajg.2014.142 Review Buy Author InformationAuthors Article MetricsMetrics If you wish to receive credit for this activity, please refer to the Web site:http://acgjournalcme.gi.org/. Article Title: The Synergistic Effects of Alcohol and Tobacco Consumption on the Risk of Esophageal Squamous Cell Carcinoma: A Meta-Analysis © The American College of Gastroenterology 2014. All Rights Reserved.