title: RF (radio frequency) system to monitor wandering patients ends alarm problem.
mesh_terms: D000368:Aged; D003221:Confusion; D006801:Humans; D009735:Nursing Homes / Q000592:standards; D009864:Ontario; D010355:Patient Identification Systems; D011845:Radio / Q000706:statistics & numerical data*; D017751:Safety Management / Q000379:methods; D012637:Security Measures