title: Serum 25-OH vitamin D after photochemotherapy.
mesh_terms: D000328:Adult; D000368:Aged; D002112:Calcifediol; D005260:Female; D006801:Humans; D006887:Hydroxycholecalciferols / Q000097:blood*; D008297:Male; D008730:Methoxsalen / Q000627:therapeutic use; D008875:Middle Aged; D011701:PUVA Therapy; D010778:Photochemotherapy; D011565:Psoriasis / Q000097:blood* / Q000188:drug therapy; D013997:Time Factors; D014467:Ultraviolet Therapy
chemical_list: D006887:Hydroxycholecalciferols; D002112:Calcifediol; D008730:Methoxsalen