Medical subject headings;
main headings, subheadings, and cross references used in the Index medicus and the National Library of Medicine catalog.

APA Citation

National Library of Medicine (U.S.). (1960). Medical subject headings: main headings, subheadings, and cross references used in the Index medicus and the National Library of Medicine catalog. Washington: U.S. Dept. of Health, Education and Welfare, Public Health Service.

MLA Citation

National Library of Medicine (U.S.). Medical Subject Headings: Main Headings, Subheadings, And Cross References Used In the Index Medicus And the National Library of Medicine Catalog. Washington: U.S. Dept. of Health, Education and Welfare, Public Health Service, 1960.