PT - JOURNAL ARTICLE AU - G. Michael Allan AU - Sudha Koppula TI - Risks of venous thromboembolism with various hormonal contraceptives DP - 2012 Oct 01 TA - Canadian Family Physician PG - 1097--1097 VI - 58 IP - 10 4099 - http://www.cfp.ca/content/58/10/1097.short 4100 - http://www.cfp.ca/content/58/10/1097.full SO - Can Fam Physician2012 Oct 01; 58