1. Screening for thrombophilia in high-risk situations: A meta-analysis and cost-effectiveness analysis;Wu;Br J Haematol,2005
2. World Contraceptive Use 2001,2002
3. Use of HRT and the subsequent risk of cancer;Beral;J Epidemiol Biostat,1999
4. Pulmonary embolism;Jordan;Br Med J,1961
5. Coronary thrombosis and Conovide;Boyce;Lancet,1963