1. Handbook of Linyi statistics 2003;Bureau of Statistics of Linyi County,2004
2. Qihe Guang Hui 50 Nian (1949–2002);Bureau of Statistics of Qihe County,2003
3. China health statistics digest 2004;Centre for Health Statistics and Information Ministry of Health,2004
4. China health statistics digest 2005;Centre for Health Statistics and Information Ministry of Health,2005
5. Association between health insurance and antibiotics prescribing in four counties in rural China;Dong;Health Policy,1999