title: Researchers find no sperm in pre-ejaculate fluid.
mesh_terms: D000569:Americas; D001695:Biology; D019411:Clinical Laboratory Techniques; D019049:Developed Countries; D003933:Diagnosis; D004194:Disease; D005835:Genitalia; D005854:Germ Cells; D015658:HIV Infections; D008404:Massachusetts; D009518:New York; D009656:North America; D010827:Physiology; D012106:Research; D013076:Sperm Count; D013094:Spermatozoa; D014481:United States; D014566:Urogenital System; D014777:Virus Diseases
keywords: Americas; Biology; Clinical Research; Developed Countries; Diseases; Examinations And Diagnoses; Genitalia; Germ Cells; Hiv Infections--transmission; Laboratory Examinations And Diagnoses; Laboratory Procedures; Massachusetts; New York; North America; Northern America; Physiology; Research Methodology; Research Report; Sperm Count; Spermatozoa; United States; Urogenital System; Viral Diseases