TY - STAND
AU - R. Lawrenson
AU - R. Farmer
BT - Contraception
M1 - 2 Suppl
PY - 2000
SP - 21S
EP - 38S
T2 - Contraception
TI - Venous thromboembolism and combined oral contraceptives: does the type of progestogen make a difference?
VL - 62
SN - 0010-7824 (Print) 0010-7824
ER -