The 'sperm-rise' test.
D000818:Animals; D001965:Bromides / Q000494:pharmacology; D002110:Caffeine / Q000494:pharmacology; D002417:Cattle; D002498:Centrifugation; D008297:Male; D013094:Spermatozoa / Q000187:drug effects / Q000502:physiology*
D001965:Bromides; D002110:Caffeine