title: T-lymphocyte subpopulations in homosexual men.
mesh_terms: D006716:Homosexuality; D006801:Humans; D007239:Infections / Q000276:immunology; D008297:Male; D013601:T-Lymphocytes / Q000276:immunology*; D006377:T-Lymphocytes, Helper-Inducer / Q000276:immunology; D050378:T-Lymphocytes, Regulatory / Q000276:immunology