共 4 条
- [3] 中国西部地区卫生服务调查研究[M]. 中国协和医科大学出版社 , 饶克勤主编, 2004
- [4] A comparison of emergency department utilization by elderly and younger adult patients presenting to three hospitals in Hong Kong[J] . Veronica W. T. Yim,Colin A. Graham,Timothy H. Rainer. International Journal of Emergency Medicine . 2009 (1)