National Library of Medicine. (1972). Index of NLM serial titles: A keyword listing of serial titles currently received by the National Library of Medicine. U.S. Department of Health, Education, and Welfare, Public Health Service, National Institutes of Health.
Cita Chicago Style (17a ed.)National Library of Medicine. Index of NLM Serial Titles: A Keyword Listing of Serial Titles Currently Received by the National Library of Medicine. Bethesda: U.S. Department of Health, Education, and Welfare, Public Health Service, National Institutes of Health, 1972.
Cita MLA (9a ed.)National Library of Medicine. Index of NLM Serial Titles: A Keyword Listing of Serial Titles Currently Received by the National Library of Medicine. U.S. Department of Health, Education, and Welfare, Public Health Service, National Institutes of Health, 1972.
