title: Fine structure of Merkel cells after PUVA treatment.
mesh_terms: D004817:Epidermis / Q000473:pathology*; D006801:Humans; D008544:Melanocytes / Q000648:ultrastructure*; D008548:Melanosis / Q000473:pathology; D011701:PUVA Therapy; D010778:Photochemotherapy; D011565:Psoriasis / Q000188:drug therapy; D013997:Time Factors