occupationalsafety相关论文
In the view of composite system and its subsystem development,by complex system theory,the composite system for occupati......
目的:探究实施干预措施降低针刺伤发生率的有效率.方法:选择2014年1月我院在编护士90例为研究对象,将其分成2组,每组45人,对照组不......