Authors:
Simpson, EL
Lawrenson, RA
Nightingale, AL
Farmer, RDT
Citation: El. Simpson et al., Venous thromboembolism in pregnancy and the puerperium: incidence and additional risk factors from a London perinatal database, BR J OBST G, 108(1), 2001, pp. 56-60
Authors:
Farmer, RDT
Williams, TJ
Simpson, EL
Nightingale, AL
Citation: Rdt. Farmer et al., Effect of 1995 pill scare on rates of venous thromboembolism among women taking combined oral contraceptives: analysis of General Practice Research Database, BR MED J, 321(7259), 2000, pp. 477-479