Mercado-Pichardo, E Intrinsic fluorescence of intact and washed and metabolically active human spermatozoa. [electronic resource] - Archivos de investigacion medica 1982 - 225-9 p. digital Publication Type: Journal Article ISSN: 0066-6769 Subjects--Topical Terms: FluorescenceHumansMaleMembrane Proteins--analysisSpecimen HandlingSpectrometry, FluorescenceSpermatozoa--analysisTryptophan--analysisTyrosine--analysis