title: Circadian rhythm of ornithine decarboxylase activity in rat testis.
mesh_terms: D000818:Animals; D002940:Circadian Rhythm; D008297:Male; D009955:Ornithine Decarboxylase / Q000378:metabolism*; D051381:Rats; D011919:Rats, Inbred Strains; D013737:Testis / Q000201:enzymology*
chemical_list: D009955:Ornithine Decarboxylase