Não informado. (1991). ACP Journal Club. American College of Physicians.
Chicagoスタイル(17版)引用形式Não informado. ACP Journal Club. Philadelphia, Pa: American College of Physicians, 1991.
MLA(8版)引用形式Não informado. ACP Journal Club. American College of Physicians, 1991.
警告: この引用は必ずしも正確ではありません.