RT Journal Article SR Electronic T1 Venus JF BMJ Sexual & Reproductive Health JO BMJ Sex Reprod Health FD British Medical Journal Publishing Group SP 78 OP 78 DO 10.1136/bmjsrh-2021-201373 VO 48 IS 1 YR 2022 UL http://jfprhc.bmj.com/content/48/1/78.abstract AB