title: Vitamin B6 dependency in homocystinuria.
mesh_terms: D000293:Adolescent; D000328:Adult; D006712:Homocystinuria / Q000188:drug therapy* / Q000201:enzymology; D006801:Humans; D006836:Hydro-Lyases / Q000378:metabolism; D008099:Liver / Q000201:enzymology; D008297:Male; D011736:Pyridoxine / Q000627:therapeutic use*
chemical_list: D006836:Hydro-Lyases; D011736:Pyridoxine