Nicotinic acid and liver xanthine oxidase.
D000818:Animals; D004789:Enzyme Activation / Q000187:drug effects; D008099:Liver / Q000201:enzymology*; D008297:Male; D009539:Nicotinic Acids / Q000494:pharmacology*; D051381:Rats; D011919:Rats, Inbred Strains; D014969:Xanthine Oxidase / Q000378:metabolism*
D009539:Nicotinic Acids; D014969:Xanthine Oxidase