RT Journal Article SR Electronic T1 Injecting drug users JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 473 OP 473 VO 55 IS 515 A1 Kate Jack A1 Michael Varnam A1 Brian Thomson YR 2005 UL http://bjgp.org/content/55/515/473.2.abstract AB