title: The relation of erythrocyte porphyrins to haemoglobin, haematocrit, transferrin and serum iron.
mesh_terms: D000704:Analysis of Variance; D004912:Erythrocytes / Q000378:metabolism*; D006400:Hematocrit; D006454:Hemoglobins / Q000378:metabolism*; D006801:Humans; D007501:Iron / Q000097:blood*; D011166:Porphyrins / Q000097:blood*; D013053:Spectrophotometry; D013056:Spectrophotometry, Ultraviolet; D014168:Transferrin / Q000378:metabolism*
chemical_list: D006454:Hemoglobins; D011166:Porphyrins; D014168:Transferrin; D007501:Iron