RT Journal Article SR Electronic T1 Cross-national differences in the use of contraception and abortion services between England, Wales, and Scotland JF BMJ Sexual & Reproductive Health JO BMJ Sex Reprod Health FD British Medical Journal Publishing Group SP 143 OP 144 DO 10.1136/bmjsrh-2022-201635 VO 49 IS 2 A1 Bernice Kuang A1 Ann Berrington YR 2023 UL http://jfprhc.bmj.com/content/49/2/143.abstract AB