Não informado. (2014). JAMA Surgery. American Medical Association.
Chicagoスタイル(17版)引用形式Não informado. JAMA Surgery. Chicago, Ill: American Medical Association, 2014.
MLA(8版)引用形式Não informado. JAMA Surgery. American Medical Association, 2014.
警告: この引用は必ずしも正確ではありません.