TY  - BOOK
AU  - Hersh,William R.
TI  - Information retrieval: a health care perspective 
T2  - Computers and medicine
SN  - 0387944540
PY  - 1996///
CY  - New York
PB  - Springer-Verlag
KW  - Medical informatics
KW  - Information storage and retrieval systems
ER  -