title: Correlative biochemical and ultrastructural studies on the mechanism of freezing damage to ram semen.
mesh_terms: D000135:Acid Phosphatase / Q000032:analysis; D000818:Animals; D004586:Electrophoresis; D005615:Freezing; D007527:Isoenzymes / Q000032:analysis; D008297:Male; D008854:Microscopy, Electron; D012661:Semen / Q000166:cytology / Q000201:enzymology; D012756:Sheep; D013094:Spermatozoa / Q000166:cytology / Q000201:enzymology
chemical_list: D007527:Isoenzymes; D000135:Acid Phosphatase