title: Continuous measurement by radio-telemetry of vaginal pH during human coitus.
mesh_terms: D002021:Buffers; D002465:Cell Movement; D003075:Coitus; D004542:Ejaculation; D005260:Female; D005298:Fertility; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007248:Infertility, Male; D008297:Male; D009948:Orgasm; D012661:Semen / Q000502:physiology; D013686:Telemetry; D013997:Time Factors; D014621:Vagina
chemical_list: D002021:Buffers