Influence of aspiration biopsy of liver on cattle gains and liver vitamin A values.
D000818:Animals; D001706:Biopsy / Q000662:veterinary*; D002417:Cattle / Q000254:growth & development*; D005260:Female; D008099:Liver / Q000032:analysis*; D014801:Vitamin A / Q000032:analysis*
D014801:Vitamin A