TY  - GEN
AU  - Chapman,W W
AU  - Bridewell,W
AU  - Hanbury,P
AU  - Cooper,G F
AU  - Buchanan,B G
TI  - Evaluation of negation phrases in narrative clinical reports
SN  - 1531-605X
PY  - 2002///0524
KW  - Algorithms
KW  - Medical Records Systems, Computerized
KW  - Unified Medical Language System
N1  - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S
ER  -