T-cell ratios: sperm and asialo GM1 antibody levels in New York City prostitutes.
D000328:Adult; D000911:Antibodies, Monoclonal / Q000276:immunology; D005260:Female; D005677:G(M1) Ganglioside; D006028:Glycosphingolipids / Q000276:immunology*; D006801:Humans; D008297:Male; D009519:New York City; D012306:Risk; D011477:Sex Work; D013073:Sperm Agglutination; D006377:T-Lymphocytes, Helper-Inducer / Q000276:immunology*; D050378:T-Lymphocytes, Regulatory / Q000276:immunology*
D000911:Antibodies, Monoclonal; D006028:Glycosphingolipids; D005677:G(M1) Ganglioside; C018835:asialo GM1 ganglioside