Nguyen, Long HoangNguyen, Huong Lan ThiLarsson, MattiasTran, Bach XuanL Stein, MartRocha, Luis E CStrömdahl, Susanne2020-09-272020-09-272020-09-111471-24583291715710.1186/s12889-020-09449-zhttp://hdl.handle.net/10029/624390enEhealthFocus groupMen who have sex with menOnline interventionQualitativeVietnamAn exploratory assessment of the preference for eHealth interventions to prevent HIV and sexually transmitted infections among men who have sex with men in Hanoi, Vietnam.ArticleBMC Public Health 2020 ;20(1):1387