title: Biochemical studies on erythropoietic protoporphyria.
mesh_terms: D004912:Erythrocytes / Q000378:metabolism; D004921:Erythropoietin / Q000378:metabolism*; D006418:Heme / Q000096:biosynthesis*; D006801:Humans; D008027:Light; D011164:Porphyrias / Q000378:metabolism*; D011166:Porphyrins / Q000378:metabolism*; D011524:Protoporphyrins / Q000378:metabolism*
chemical_list: D011166:Porphyrins; D011524:Protoporphyrins; D004921:Erythropoietin; D006418:Heme