TY - STAND AU - Yvonne Lis AU - Walter Spitzer AU - Ronald Mann AU - Joy Chukwujindu AU - Margaret Thorogood AU - Stephen Evans AU - Samy Suissa AU - Jacques Lelorier BT - Pharmacoepidemiology and Drug Safety DO - 10.1002/pds.2630020107 M1 - 1 PY - 1993 SP - 51 EP - 63 T2 - Pharmacoepidemiology and Drug Safety TI - A concurrent cohort study of oral contraceptive users from the VAMP research bank UR - https://onlinelibrary.wiley.com/doi/abs/10.1002/pds.2630020107 VL - 2 ER -