... Fugelstad A, Stenbacka M, Leifman A, Nylander M, Thiblin I: Metha-done maintenance treatment: the balance between life-sav-ing treatment and fatal poisonings. Addiction 2007,102:406-412.40. Zanis ... methods and results section, and conducted additional literature search. AHV wrote themethod and results section, performed all data analysis,prepared the tables, wrote part of the introduction and conclusions, ... Although with limitedcapacity, the PR Department of Correction and Rehabili-tation has established, since 2002, opiate agonist treat-ment, initially with methadone and recently addingBuprenorphine-naloxone....