title: Fluorescing erythrocytes and porphyrin screening tests on urine, stool, and blood. Investigation of photosensitivity.
mesh_terms: D000328:Adult; D002648:Child; D003937:Diagnosis, Differential; D004912:Erythrocytes; D005243:Feces / Q000032:analysis; D005453:Fluorescence; D006801:Humans; D008856:Microscopy, Fluorescence; D010787:Photosensitivity Disorders / Q000209:etiology*; D011164:Porphyrias / Q000145:classification / Q000175:diagnosis*; D011166:Porphyrins / Q000097:blood / Q000378:metabolism* / Q000652:urine
chemical_list: D011166:Porphyrins