title: Letter: Histidinaemia: to treat or not to treat?
mesh_terms: D000592:Amino Acid Metabolism, Inborn Errors / Q000453:epidemiology / Q000628:therapy*; D002648:Child; D002675:Child, Preschool; D004035:Diet Therapy; D006639:Histidine / Q000008:administration & dosage / Q000097:blood*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn
chemical_list: D006639:Histidine