title: Congo red--fast green FCF as a supra-vital stain for ram and bull spermatozoa.
mesh_terms: D000704:Analysis of Variance; D000818:Animals; D002021:Buffers; D002417:Cattle; D002465:Cell Movement; D004396:Coloring Agents; D003224:Congo Red; D005615:Freezing; D006863:Hydrogen-Ion Concentration; D008297:Male; D009861:Onium Compounds; D010078:Oxazines; D000644:Quaternary Ammonium Compounds; D012756:Sheep; D013094:Spermatozoa; D013194:Staining and Labeling; D013997:Time Factors; D014325:Tromethamine
chemical_list: D002021:Buffers; D004396:Coloring Agents; D009861:Onium Compounds; D010078:Oxazines; D000644:Quaternary Ammonium Compounds; D014325:Tromethamine; D003224:Congo Red