Erthropoietic protoporphyria.
D000293:Adolescent; D004912:Erythrocytes / Q000032:analysis; D006801:Humans; D008297:Male; D010787:Photosensitivity Disorders; D011164:Porphyrias; D011166:Porphyrins / Q000097:blood; D013473:Sunscreening Agents / Q000627:therapeutic use
D011166:Porphyrins; D013473:Sunscreening Agents