TY - GEN TI - Light therapy for precancerous skin lesions SN - 1081-5880 PY - 2000///0419 KW - Humans KW - Keratosis KW - drug therapy KW - Photochemotherapy KW - Photosensitivity Disorders KW - Precancerous Conditions KW - Skin Neoplasms N1 - Publication Type: News ER -