title: Fertility of ram spermatozoa frozen in a tris-based diluent.
mesh_terms: D000818:Animals; D002951:Citrates; D003451:Cryoprotective Agents; D004530:Egg Yolk; D005260:Female; D005298:Fertility; D005615:Freezing; D005947:Glucose; D007315:Insemination, Artificial; D008297:Male; D009844:Oligosaccharides; D012661:Semen; D012756:Sheep; D014325:Tromethamine
chemical_list: D002951:Citrates; D003451:Cryoprotective Agents; D009844:Oligosaccharides; D014325:Tromethamine; D005947:Glucose