Risk factors associated with injection initiation among drug users in Northern Thailand

by Suriyanon Vinai, Jittiwutikarn Jaroon, Kawichai Surinda, Vongchak Tasanai, Srirat Namtip, Sherman Susan G, Cheng Yingkai, Razak Myat, Sripaipan Teerada, Celentano David D
Published 2006-03-01