title: Mechanism of the blood urea nitrogen-decreasing activity of rhatannin from Rhei Rhizoma in the rat. I.
mesh_terms: D000818:Animals; D001806:Blood Urea Nitrogen; D008297:Male; D008518:Medicine, East Asian Traditional; D044945:Proanthocyanidins; D051381:Rats; D011919:Rats, Inbred Strains; D013634:Tannins / Q000494:pharmacology*
chemical_list: D044945:Proanthocyanidins; D013634:Tannins; C039708:rhatannin