title: Sleep quality in heroin addicts under methadone maintenance treatment.
authors.affiliation: Department of Psychiatry, Lu-Tung Branch of Changhua Christian Hospital, LuKang, Taiwan.
authors.forename: Wen-Yu
authors.initials: WY
authors.lastname: Hsu
authors.affiliation: Department of Psychiatry, Lu-Tung Branch of Changhua Christian Hospital, LuKang, Taiwan.
authors.forename: Nan-Ying
authors.initials: NY
authors.lastname: Chiu
authors.affiliation: Department of Psychiatry, Lu-Tung Branch of Changhua Christian Hospital, LuKang, Taiwan.
authors.forename: Jui-Ting
authors.initials: JT
authors.lastname: Liu
authors.affiliation: Department of Psychiatry, Lu-Tung Branch of Changhua Christian Hospital, LuKang, Taiwan.
authors.forename: Chieh-Hui
authors.initials: CH
authors.lastname: Wang
authors.affiliation: Department of Psychiatry, Lu-Tung Branch of Changhua Christian Hospital, LuKang, Taiwan.
authors.forename: Ting-Gang
authors.initials: TG
authors.lastname: Chang
authors.affiliation: Department of Psychiatry, Lu-Tung Branch of Changhua Christian Hospital, LuKang, Taiwan.
authors.forename: Yi-Cheng
authors.initials: YC
authors.lastname: Liao
authors.affiliation: Changhua County Public Health Bureau, Changhua, Taiwan.
authors.forename: Pei-I
authors.initials: PI
authors.lastname: Kuo