RT Journal Article SR Electronic T1 Patient and Public Involvement (PPI) in abortion research: an exploratory survey JF BMJ Sexual & Reproductive Health JO BMJ Sex Reprod Health FD British Medical Journal Publishing Group SP bmjsrh-2022-201648 DO 10.1136/bmjsrh-2022-201648 A1 Rebecca Blaylock YR 2022 UL http://jfprhc.bmj.com/content/early/2022/09/14/bmjsrh-2022-201648.abstract AB