title: A double-blind comparison of quarter strength clobetasol propionate in Unguentum Merck with betamethasone valerate in psoriasis.
mesh_terms: D001623:Betamethasone / Q000031:analogs & derivatives*; D001624:Betamethasone Valerate / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D002990:Clobetasol / Q000008:administration & dosage / Q000031:analogs & derivatives*; D004311:Double-Blind Method; D005260:Female; D006801:Humans; D008297:Male; D009823:Ointment Bases; D011565:Psoriasis / Q000188:drug therapy*
chemical_list: D009823:Ointment Bases; D001623:Betamethasone; D001624:Betamethasone Valerate; D002990:Clobetasol