Hannaford, P. C., Selvaraj, S., Elliott, A. M., Angus, V., Iversen, L., & Lee, A. J. (2007). Cancer risk among users of oral contraceptives: Cohort data from the Royal College of General Practitioner's oral contraception study. BMJ Publishing Group Ltd.
Chicago Stili AlıntıHannaford, Philip C., Sivasubramaniam Selvaraj, Alison M. Elliott, Valerie Angus, Lisa Iversen, ve Amanda J. Lee. Cancer Risk Among Users of Oral Contraceptives: Cohort Data From the Royal College of General Practitioner's Oral Contraception Study. BMJ Publishing Group Ltd, 2007.
MLA AlıntıHannaford, Philip C., et al. Cancer Risk Among Users of Oral Contraceptives: Cohort Data From the Royal College of General Practitioner's Oral Contraception Study. BMJ Publishing Group Ltd, 2007.