TY - STAND
AU - H. Jick
BT - Bmj
M1 - 7226
PY - 2000
SP - 57
EP - 8
T2 - Bmj
TI - Incidence of venous thromboembolism in users of combined oral contraceptives. Methods for identifying cases and estimating person time at risk must be detailed
VL - 320
SN - 0959-8138 (Print) 0959-8138
ER -