Ki-Bum Kwon

  • Citations Per Year
Learn More
With practical applicability in mind, we wanted to observe whether nocturnal alertness, performance, and daytime sleep could be improved by light exposure of tolerable intensity and duration in a real work place. We also evaluated whether attenuating morning light was important in adaptation of real night shift workers. Twelve night shift nurses(More)
Cellular service providers in Korea have started WCDMA commercial service since 2004. The initial deployment has been done in highly-crowded urban districts. Therefore, inter-RAT handover from WCDMA to CDMA2000 (hereafter, called as the inter-RAT handover) should be developed to provide seamless service in out-of-service areas. We develop some handover(More)
BACKGROUND Hypertrophic labrum in dysplastic hip has been frequently reported and is known as limbus in developmental dysplasia of the hip. However, hypertrophic labrum without hip dysplasia has not been reported to date. The purpose of this study was to define hypertrophic labrum and to investigate the prevalence and clinical significance of an abnormally(More)
  • 1