RT Journal Article SR Electronic T1 Introduction to psychosexual medicine JF BMJ Sexual & Reproductive Health JO BMJ Sex Reprod Health FD British Medical Journal Publishing Group SP 313 OP 313 DO 10.1136/bmjsrh-2019-200453 VO 45 IS 4 A1 David Thomas Evans YR 2019 UL http://jfprhc.bmj.com/content/45/4/313.abstract AB