RT Journal Article SR Electronic T1 Opportunistic infections in the era of HAART. JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 214 OP 217 VO 75 IS 4 A1 G Matthews A1 A L Pozniak YR 1999 UL http://sti.bmj.com/content/75/4/214.abstract