RT Journal Article SR Electronic T1 Hormonal Contraception and Breast Cancer Risk JF AAP Grand Rounds JO AAP Grand Rounds FD American Academy of Pediatrics SP 28 OP 28 DO 10.1542/gr.39-3-28 VO 39 IS 3 YR 2018 UL http://aapgrandrounds.aappublications.org/content/39/3/28.abstract AB