TY  - GEN
AU  - Jackson,M F
TI  - The Index Medicus: why it works and when it doesn't
SN  - 0025-7338
PY  - 1967///0109
KW  - Abstracting and Indexing
KW  - National Library of Medicine (U.S.)
KW  - United States
N1  - Publication Type: Journal Article
ER  -