Prediction Models for Prognosis of Cervical Cancer: Systematic Review and Critical Appraisal - He, Bingjie; Chen, Weiye; Liu, Lili; Hou, Zheng; Zhu, Haiyan; Cheng, Haozhe; Zhang, Yixi; Zhan, Siyan; Wang, Shengfeng (Frontiers in Public Health, 2021)