Não informado. (1968). Abridged index medicus. American Medical Association.
Chicago Style (17th ed.) CitationNão informado. Abridged Index Medicus. Chicago, Ill: American Medical Association, 1968.
MLA (8th ed.) CitationNão informado. Abridged Index Medicus. American Medical Association, 1968.
Warning: These citations may not always be 100% accurate.