title: The porphyrias: clinical chemistry, diagnosis and methodology.
mesh_terms: D002850:Chromatography, Gel; D002851:Chromatography, High Pressure Liquid; D002855:Chromatography, Thin Layer; D019411:Clinical Laboratory Techniques; D005243:Feces / Q000032:analysis; D005260:Female; D006418:Heme / Q000378:metabolism; D006801:Humans; D011163:Hydroxymethylbilane Synthase / Q000378:metabolism; D008297:Male; D008722:Methods; D011164:Porphyrias / Q000175:diagnosis*; D011165:Porphyrinogens / Q000378:metabolism; D011166:Porphyrins / Q000097:blood / Q000378:metabolism; D012871:Skin Diseases / Q000175:diagnosis; D014018:Tissue Distribution
chemical_list: D011165:Porphyrinogens; D011166:Porphyrins; D006418:Heme; D011163:Hydroxymethylbilane Synthase