title: Combination phototherapy--a critical appraisal.
mesh_terms: D000287:Administration, Topical; D000305:Adrenal Cortex Hormones / Q000008:administration & dosage / Q000627:therapeutic use; D000818:Animals; D000875:Anthralin / Q000627:therapeutic use; D003033:Coal Tar / Q000627:therapeutic use; D003131:Combined Modality Therapy; D005050:Etretinate / Q000627:therapeutic use; D005069:Evaluation Studies as Topic; D006801:Humans; D008727:Methotrexate / Q000627:therapeutic use; D051379:Mice; D011701:PUVA Therapy; D010778:Photochemotherapy; D011565:Psoriasis / Q000188:drug therapy*; D012176:Retinoids / Q000627:therapeutic use; D014467:Ultraviolet Therapy
chemical_list: D000305:Adrenal Cortex Hormones; D012176:Retinoids; D005050:Etretinate; D003033:Coal Tar; D000875:Anthralin; D008727:Methotrexate