title: Pain insensitivity a metabolic disease.
mesh_terms: D000592:Amino Acid Metabolism, Inborn Errors / Q000150:complications*; D006801:Humans; D008543:Melanins / Q000652:urine; D000699:Pain Insensitivity, Congenital / Q000209:etiology* / Q000652:urine; D014443:Tyrosine / Q000378:metabolism*
chemical_list: D008543:Melanins; D014443:Tyrosine