title: Re-PUVA.
mesh_terms: D004307:Dose-Response Relationship, Radiation; D004351:Drug Resistance; D004359:Drug Therapy, Combination; D005050:Etretinate / Q000627:therapeutic use*; D006801:Humans; D011701:PUVA Therapy / Q000009:adverse effects*; D010778:Photochemotherapy / Q000009:adverse effects*; D011565:Psoriasis / Q000188:drug therapy*; D012878:Skin Neoplasms / Q000139:chemically induced* / Q000517:prevention & control
chemical_list: D005050:Etretinate