1Full-time Instructor, Department of Nursing, Andong Science College, Andong, Korea.
2Professor, College of Nursing, Keimyung University, Daegu, Korea.
Copyright © 2008 Korean Society of Nursing Science
PD=protective device.
PD=protective device.
PD=protective device.
PD=protective device.
PD=protective device.
PD=protective device.
PD=protective device.
PD=protective device.