Bryan C H CHOONG ; Sudev SUTHENDRAN ; Martin T W CHIO
Annals of the Academy of Medicine, Singapore 2012;41(12):610-614
Bisexuality ; psychology ; Female ; HIV Infections ; prevention & control ; Health Promotion ; Homosexuality, Female ; psychology ; Homosexuality, Male ; psychology ; Humans ; Male ; Risk Reduction Behavior ; Singapore ; Transgender Persons ; psychology