Patient perspectives on the implementation of routinised syphilis screening with HIV viral load testing: Qualitative process evaluation of the Enhanced Syphilis Screening Among HIV-positive Men trial. - MacKinnon, Kinnon R; Grewal, Ramandip; Tan, Darrell HS; Rousseau, Rodney; Maxwell, John; Walmsley, Sharon; MacPherson, Paul A; Rachlis, Anita; Andany, Nisha; Mishra, Sharmistha; Allen, Vanessa G; Burchell, Ann N. (BMC Health Services Research, 2021)