title: Letter: Failure of Leucovorin therapy in nonketotic hyperglycinemia.
mesh_terms: D005998:Glycine / Q000097:blood*; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000188:drug therapy*; D002955:Leucovorin / Q000627:therapeutic use*
chemical_list: D002955:Leucovorin; D005998:Glycine