title: Reactivation of the Feulgen reaction of ram spermatozoa by dithiothreitol.
mesh_terms: D000818:Animals; D001665:Binding Sites; D002467:Cell Nucleus; D004247:DNA / Q000032:analysis*; D004220:Disulfides; D004229:Dithiothreitol / Q000494:pharmacology*; D004822:Epididymis; D066298:In Vitro Techniques; D008297:Male; D012756:Sheep; D013056:Spectrophotometry, Ultraviolet; D013091:Spermatogenesis; D013094:Spermatozoa / Q000032:analysis / Q000187:drug effects*; D013194:Staining and Labeling
chemical_list: D004220:Disulfides; D004247:DNA; D004229:Dithiothreitol