title: Synergistic carcinogenic potential of methotrexate and PUVA in psoriasis.
mesh_terms: D000328:Adult; D003043:Cocarcinogenesis; D006801:Humans; D008297:Male; D008727:Methotrexate / Q000009:adverse effects*; D011701:PUVA Therapy / Q000009:adverse effects*; D010778:Photochemotherapy / Q000009:adverse effects*; D011565:Psoriasis / Q000188:drug therapy*; D012878:Skin Neoplasms / Q000209:etiology*
chemical_list: D008727:Methotrexate