Population-based study on the prevalence of and risk factors for human papillomavirus infection in Qujing of Yunnan province, Southwest China
Lu-lu, Sun, Qiong, Jin, Hui, Li, Xian-rong, Zhou, Zhi-qin, Song, Xue-mei, Cheng, Tao, Tao, Bing, Liang, Lin, Xu, Yu-rong, Wang, Yan, Zhen, Ji-wen, He, Keng, Shen