title: Lower prevalence and incidence of HIV-1 syncytium-inducing phenotype among injecting drug users relative to homosexual men.
authors.forename: A
authors.initials: A
authors.lastname: Mocroft
authors.forename: C A
authors.initials: CA
authors.lastname: Sabin
authors.forename: A N
authors.initials: AN
authors.lastname: Phillips
mesh_terms: D018791:CD4 Lymphocyte Count; D015726:Giant Cells; D015658:HIV Infections / Q000097:blood / Q000150:complications / Q000821:virology*; D015497:HIV-1 / Q000235:genetics*; D018451:Homosexuality, Male; D006801:Humans; D008297:Male; D010641:Phenotype; D015995:Prevalence; D012514:Sarcoma, Kaposi / Q000209:etiology; D015819:Substance Abuse, Intravenous / Q000150:complications*