title: Psoralen and ultraviolet A (PUVA)--a critique.
mesh_terms: D002280:Basal Cell Carcinoma / Q000209:etiology; D002386:Cataract / Q000209:etiology; D006801:Humans; D007642:Keratosis / Q000209:etiology; D008730:Methoxsalen / Q000009:adverse effects*; D010778:Photochemotherapy / Q000009:adverse effects*; D011565:Psoriasis / Q000188:drug therapy*; D012306:Risk; D012878:Skin Neoplasms / Q000209:etiology; D014467:Ultraviolet Therapy / Q000009:adverse effects
chemical_list: D008730:Methoxsalen