Investigation and research on nursing knowledge and attitude of pressure injury in nursing students (实习护生压力性损伤护理知识和态度现状调查分析) oleh LIU Chunfeng (刘春凤), CHEN Changrong (陈长蓉), PANG Siyu (庞思羽), HU Jing (胡静), CHEN Chunping (陈春萍), CHEN Yachun (陈亚淳), LI Ming (黎明)