Factors associated with nicotine dependence during methadone maintenance treatment: findings from a multisite survey in Vietnam.
Do HP, Nguyen LH, Thi Nguyen NP, Ngo C, Thi Nguyen HL, Le GT, Nguyen LK, Nguyen CT, Tran BX, Le HT, Vu TMT, Phan HTT, Tran TD, Latkin CA, Dunne MP. Factors associated with nicotine dependence during methadone maintenance treatment: findings from a multisite survey in Vietnam. BMJ Open. 2017 Jul 17; 7(7):e015889.