TY  - SER
TI  - Medical subject headings: supplement to index medicus
T2  - <1977>-19 : DHEW publication no. (NIH)
SN  - 0019-3879
U1  - 025.3361 
CY  - Bethesda, Md.
PB  - U.S. Dept. of Health and Human Services, Public Health Service, National Institutes of Health, National Library of Medicine
KW  - Subject headings
N1  - 1960-66 has subtitle: Main headings and cross references used in Index medicus and National Library of Medicine catalog (varies slightly); Imprint varies: Washington, D.C., 1960-19 ; Bethesda, Md., <1989->; No longer distributed to depository libraries in a physical form after v. 45 (2004)
ER  -