TY - GEN AU - Ippen,H TI - [Beta-carotene used for portection against light in cutaneous porphyria tarda?] SN - 0017-8470 PY - 1972///0502 KW - Carotenoids KW - therapeutic use KW - Humans KW - Photosensitivity Disorders KW - prevention & control KW - Porphyrias N1 - Publication Type: Journal Article ER -