title: Cytogenetic analysis of spermatozoa from males aged between 47 and 71 years.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D000782:Aneuploidy; D020732:Cytogenetic Analysis / Q000379:methods; D006801:Humans; D008297:Male; D008875:Middle Aged; D013094:Spermatozoa / Q000737:chemistry / Q000166:cytology* / Q000502:physiology*