title: Intestinal absorption of tetrahydrobiopterin and biopterin in man.
mesh_terms: D001205:Ascorbic Acid / Q000494:pharmacology; D001708:Biopterins / Q000031:analogs & derivatives / Q000097:blood / Q000378:metabolism*; D000431:Ethanol / Q000494:pharmacology; D006801:Humans; D007408:Intestinal Absorption / Q000187:drug effects; D011621:Pteridines / Q000378:metabolism*
chemical_list: D011621:Pteridines; D001708:Biopterins; D000431:Ethanol; C003402:sapropterin; D001205:Ascorbic Acid