Unfavorable attitudes toward receiving methadone maintenance therapy and associated factors among the inmates using intravenous heroin oleh Cheng-Fang Yen, Jih-Jin Tsai, Peng-Wei Wang, Yi-Chun Yeh, Shu-Chun Liu, Shu-Hui Wang, Chao-Ching Wang, 顏正芳, 蔡季君, 王鵬為, 葉怡君, 劉淑君, 王淑惠, 王昭晴