1. National Bureau of Statistics of China. China statistical yearbook 2013, NO.32. Beijing: China Statistics Press;2013. (in Chinese&English)
2. National Office for Cancer Prevention and Control, National Center for Cancer Registries, Disease Prevention and Control Bureau. Cancer incidence and mortality in selected cities and counties in China, 1998–2002 Volume III. Beijing: People’s Medical Publishing House; 2007. in Chinese.
3. Yang L, Huangpu XM, Zhang SW, Lu FZ, Sun XD, Sun J, et al. Changes of mortality rate for cervical cancer during 1970’s and 1990’s periods in China. Zhongguo yi xue ke xue yuan xue bao. 2003;25:386–90 (in Chinese).
4. Franceschi S, Plummer M, de Clifford G, Sanjose S, Bosch X, Herrero R, et al. Differences in the risk of cervical cancer and human papillomavirus infection by education level. Br J Cancer. 2009;101:865–70.
5. Zhao FH, Lin MJ, Chen F, Hu SY, Zhang R, Belinson JL, et al. Performance of high-risk human papillomavirus DNA testing as a primary screen for cervical cancer: a pooled analysis of individual patient data from 17 population-based studies from China. Lancet Oncol. 2010;11:1160–71.