Hypermethylated PCDHGB7 as a universal cancer only marker and its application in early cervical cancer screening. Issue 6 (20th June 2021) - Dong, Shihua; Lu, Qi; Xu, Peng; Chen, Limei; Duan, Xiaoling; Mao, Zhanrui; Zhang, Baolong; Sui, Long; Wang, Yudong; Yu, Wenqiang