title: An attempt to separate fractions rich in human Y sperm.
mesh_terms: D002469:Cell Separation / Q000379:methods*; D002499:Centrifugation, Density Gradient; D006801:Humans; D008297:Male; D012710:Serum Albumin, Bovine; D012730:Sex Chromosomes; D013094:Spermatozoa / Q000166:cytology* / Q000648:ultrastructure
chemical_list: D012710:Serum Albumin, Bovine