title: Turnover of liver vitamin A in steers.
mesh_terms: D000821:Animal Feed; D000818:Animals; D002417:Cattle / Q000378:metabolism*; D005243:Feces / Q000032:analysis; D008099:Liver / Q000032:analysis / Q000378:metabolism*; D008297:Male; D014316:Tritium / Q000378:metabolism; D014801:Vitamin A / Q000097:blood / Q000378:metabolism* / Q000652:urine
chemical_list: D014316:Tritium; D014801:Vitamin A