RT Journal Article SR Electronic T1 Methadone vs buprenorphine JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 558 OP 559 VO 55 IS 516 A1 Andrew Byrne A1 Richard Hallinan A1 Richard Watson A1 Alex Wodak YR 2005 UL http://bjgp.org/content/55/516/558.2.abstract AB