Não informado. (2016). The American Journal of Gastroenterology. Nature Publishing Group.
Chicagoスタイル(17版)引用形式Não informado. The American Journal of Gastroenterology. New York: Nature Publishing Group, 2016.
MLA(8版)引用形式Não informado. The American Journal of Gastroenterology. Nature Publishing Group, 2016.
警告: この引用は必ずしも正確ではありません.