title: Pyridoxine-responsive anemia: influence of tryptophan on pyridoxine responsiveness.
mesh_terms: D000328:Adult; D000740:Anemia / Q000188:drug therapy*; D004305:Dose-Response Relationship, Drug; D004357:Drug Synergism; D004920:Erythropoiesis / Q000187:drug effects; D005500:Follow-Up Studies; D006400:Hematocrit; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D007501:Iron / Q000097:blood; D008110:Liver Extracts / Q000627:therapeutic use; D008297:Male; D011379:Prognosis; D011736:Pyridoxine / Q000008:administration & dosage / Q000627:therapeutic use*; D012075:Remission, Spontaneous; D012156:Reticulocytes / Q000032:analysis; D013997:Time Factors; D014364:Tryptophan / Q000008:administration & dosage / Q000494:pharmacology*
chemical_list: D006454:Hemoglobins; D008110:Liver Extracts; D014364:Tryptophan; D007501:Iron; D011736:Pyridoxine