title: Bias in the assessment of skin cancer risk in patients with psoriasis.
mesh_terms: D006801:Humans; D011701:PUVA Therapy; D011565:Psoriasis / Q000150:complications* / Q000188:drug therapy; D012107:Research Design; D012306:Risk; D012878:Skin Neoplasms / Q000150:complications* / Q000453:epidemiology