Não informado. (1960). Medical Subject Headings. National Library of Medicine.
Chicago Style (17th ed.) CitationNão informado. Medical Subject Headings. Bethesda, Md: National Library of Medicine, 1960.
MLA (8th ed.) CitationNão informado. Medical Subject Headings. National Library of Medicine, 1960.
Warning: These citations may not always be 100% accurate.