Increased Methamphetamine Use among Persons Who Inject Drugs in Hai Phong, Vietnam, and the Association with Injection and Sexual Risk Behaviors. Feelemyer, Jonathan; Duong Thi, Huong; Khuê Pham, Minh; Hoang Thi, Giang; Thi Tuyet Thanh, Nham; Thi Hai Oanh, Khuat; Arasteh, Kamyar; Moles, Jean Pierre; Vu Hai, Vinh; Vallo, Roselyne; Quillet, Catherine; Rapoud, Delphine; Michel, Laurent; Hammett, Ted; Laureillard, Didier; Nagot, Nicolas; Des Jarlais, Don. Journal of Psychoactive Drugs. 2018; 50: p.382-389. doi:10.1080/02791072.2018.1508790Article