title: Decrease of excretion of cholesterol during aging.
mesh_terms: D000375:Aging; D000818:Animals; D001011:Aorta / Q000032:analysis; D002784:Cholesterol / Q000008:administration & dosage / Q000097:blood / Q000378:metabolism* / Q000652:urine; D003135:Common Bile Duct / Q000601:surgery; D005243:Feces / Q000032:analysis; D005502:Food; D006801:Humans; D007275:Injections, Intravenous; D008026:Ligation; D008297:Male; D008722:Methods; D009132:Muscles / Q000032:analysis; D010227:Parabiosis; D051381:Rats; D011916:Rats, Inbred F344; D014316:Tritium
chemical_list: D014316:Tritium; D002784:Cholesterol