title: Double-blind trial of 90Y for chronic inflammatory synovitis of the knee.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000150:complications / Q000175:diagnosis / Q000532:radiotherapy*; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D006801:Humans; D007719:Knee Joint; D010919:Placebos; D013585:Synovitis / Q000188:drug therapy* / Q000209:etiology; D015019:Yttrium / Q000627:therapeutic use; D015021:Yttrium Radioisotopes / Q000627:therapeutic use*
chemical_list: D010919:Placebos; D015021:Yttrium Radioisotopes; D015019:Yttrium