Não informado. (2016). The American Journal of Gastroenterology. Nature Publishing Group.
Chicago Style (17th ed.) CitationNão informado. The American Journal of Gastroenterology. New York: Nature Publishing Group, 2016.
MLA (8th ed.) CitationNão informado. The American Journal of Gastroenterology. Nature Publishing Group, 2016.
Warning: These citations may not always be 100% accurate.