[Pengaruh tindakan restrain fisik dengan manset terhadap penurunan perilaku kekerasan pada pasien skizofrenia di ruang rawat intensif bima Rumah Sakit Jiwa Grhasia Daerah Istimewa Yogyakarta (Effect of physical restrain measures with cuffs on reducing violent behavior in schizophrenic patients in the intensive care room of the Grhasia Mental Hospital in the Special Region of Yogyakarta)].[Article in Indonesian]