TY  - BOOK
ED  - National Library of Medicine U.S.
TI  - DIRLINE: self-instructional guide
PY  - 1990///
CY  - Bethesda, MD
PB  - National Library of Medicine
KW  - National Institutes of Health U.S
KW  - Data bases
KW  - Handbooks, manuals, etc
KW  - Local
KW  - Information storage and retrieval systems
KW  - Medicine
ER  -