RT Journal Article SR Electronic T1 Anal cancer screening in the UK: serial cross-sectional surveys on attitudes and practices JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP sextrans-2020-054866 DO 10.1136/sextrans-2020-054866 A1 Anna Shanti Ascott A1 Hamish Mohammed A1 Jaime H Vera YR 2021 UL http://sti.bmj.com/content/early/2021/06/04/sextrans-2020-054866.abstract AB