Não informado. (1930). National Institute of Health bulletin. U.S. Public Health Service.
Chicago Style (17th ed.) CitationNão informado. National Institute of Health Bulletin. Washington: U.S. Public Health Service, 1930.
MLA (8th ed.) CitationNão informado. National Institute of Health Bulletin. U.S. Public Health Service, 1930.
Warning: These citations may not always be 100% accurate.