title: Photochemotherapy and the risk of skin cancer.
mesh_terms: D002273:Carcinogens; D006801:Humans; D008730:Methoxsalen / Q000009:adverse effects; D010778:Photochemotherapy / Q000009:adverse effects*; D011565:Psoriasis / Q000188:drug therapy; D012306:Risk; D012878:Skin Neoplasms / Q000139:chemically induced*
chemical_list: D002273:Carcinogens; D008730:Methoxsalen