Schrijver, Lieske H Oral Contraceptive Use and Breast Cancer Risk: Retrospective and Prospective Analyses From a BRCA1 and BRCA2 Mutation Carrier Cohort Study. [electronic resource] - JNCI cancer spectrum Apr 2018 - pky023 p. digital Publication Type: Journal Article ISSN: 2515-5091 Standard No.: 10.1093/jncics/pky023 doi