title: Isotopic studies of the erythropoietic and hepatic components of congenital porphyria and 'erythropoietic' protoporphyria.
mesh_terms: D000328:Adult; D001654:Bile Pigments / Q000096:biosynthesis; D001855:Bone Marrow Diseases; D002247:Carbon Isotopes; D002675:Child, Preschool; D004912:Erythrocytes / Q000378:metabolism; D004920:Erythropoiesis; D005260:Female; D005998:Glycine / Q000378:metabolism; D006801:Humans; D007982:Levulinic Acids / Q000378:metabolism; D008099:Liver / Q000378:metabolism*; D008297:Male; D008875:Middle Aged; D009587:Nitrogen Isotopes; D010787:Photosensitivity Disorders / Q000235:genetics*; D011164:Porphyrias / Q000151:congenital* / Q000378:metabolism; D011166:Porphyrins / Q000096:biosynthesis; D014557:Urobilin / Q000096:biosynthesis
chemical_list: D001654:Bile Pigments; D002247:Carbon Isotopes; D007982:Levulinic Acids; D009587:Nitrogen Isotopes; D011166:Porphyrins; D014557:Urobilin; D005998:Glycine