title: Psoriasis, skin cancer, and PUVA.
mesh_terms: D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000209:etiology*; D005260:Female; D011564:Furocoumarins / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010778:Photochemotherapy / Q000009:adverse effects*; D011565:Psoriasis / Q000188:drug therapy*; D012306:Risk; D012878:Skin Neoplasms / Q000209:etiology*
chemical_list: D011564:Furocoumarins