A characterisation of patient drop outs in a cohort of HIV positive homosexual/bisexual men and intravenous drug users
W K Poole, R Perritt, K B Shah, Y Lou, J Turner, P Kvale, P C Hopewell, J Glassroth, M Rosen, L Reichman, J Wallace, the Pulmonary Complications of Immunodeficiency Virus Infection Study Group
Journal of Epidemiology & Community Health Jan 2001, 55 (1) 66-67; DOI: 10.1136/jech.55.1.66
