title: Letter: Free erythrocyte protoporphyrin.
mesh_terms: D000747:Anemia, Hypochromic / Q000097:blood; D004912:Erythrocytes / Q000032:analysis*; D006801:Humans; D009431:Neural Conduction; D011166:Porphyrins / Q000097:blood*; D011524:Protoporphyrins / Q000097:blood*; D014511:Uremia / Q000150:complications
chemical_list: D011166:Porphyrins; D011524:Protoporphyrins