title: Beta-carotene as an oral photoprotective agent in erythropoietic protoporphyria.
mesh_terms: D000284:Administration, Oral; D000293:Adolescent; D000328:Adult; D001900:Boston; D002338:Carotenoids / Q000008:administration & dosage / Q000097:blood / Q000627:therapeutic use*; D002648:Child; D002675:Child, Preschool; D004361:Drug Tolerance; D004890:Erythema / Q000517:prevention & control; D004920:Erythropoiesis; D005243:Feces / Q000032:analysis; D005260:Female; D006801:Humans; D008027:Light / Q000009:adverse effects; D008297:Male; D008875:Middle Aged; D009519:New York City; D010787:Photosensitivity Disorders / Q000517:prevention & control*; D011164:Porphyrias / Q000097:blood / Q000150:complications / Q000188:drug therapy*; D011166:Porphyrins / Q000032:analysis / Q000097:blood*; D012867:Skin / Q000032:analysis; D013472:Sunlight; D013997:Time Factors
chemical_list: D011166:Porphyrins; D002338:Carotenoids