title: Multi-investigator cooperative comparative studies in clinical research.
mesh_terms: D001623:Betamethasone / Q000008:administration & dosage / Q000627:therapeutic use; D002986:Clinical Trials as Topic; D005446:Fluocinolone Acetonide / Q000008:administration & dosage / Q000627:therapeutic use; D006801:Humans; D008487:Medical History Taking; D008722:Methods; D014677:Pharmaceutical Vehicles; D011565:Psoriasis / Q000188:drug therapy; D012106:Research; D012108:Research Personnel
chemical_list: D014677:Pharmaceutical Vehicles; D005446:Fluocinolone Acetonide; D001623:Betamethasone