Finding Sex Partners Through Social Media Among Men Who Have Sex with Men in Hanoi, Vietnam. - Krishnan, Aparna; Nguyen, Minh; Giang, Le Minh; Ha, Tran Viet; Bhadra, Madhura; Nguyen, Sang Minh; Vu, Viet Duc; Nguyen, Quynh T.; Miller, William C.; Go, Vivian F. (Journal of Community Health, 2018)