TY - STAND
AU - H. Jick
AU - S. Jick
AU - L. Derby
BT - Bmj
M1 - 6779
PY - 1991
SP - 766
EP - 8
T2 - Bmj
TI - Validation of information recorded on general practitioner based computerised data resource in the United Kingdom
VL - 302
SN - 0959-8138 (Print) 0959-8138
ER -