RT Journal Article SR Electronic T1 Chemsex, sexual behaviour and STI-PrEP use among HIV-PrEP users during the COVID-19 pandemic in Brighton, UK JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 312 OP 312 DO 10.1136/sextrans-2021-055216 VO 98 IS 4 A1 Ringshall, Miriam A1 Cooper, Richard A1 Rawdah, Waseem A1 Perera, Sean A1 Bannister, Alan A1 Nichols, Kayleigh A1 Fitzpatrick, Colin A1 Richardson, Daniel YR 2022 UL http://sti.bmj.com/content/98/4/312.abstract AB