Adoption strategies of fertility-sparing surgery for early-stage cervical cancer patients based on clinicopathological characteristics: a large retrospective cohort study - Ning, Ying; Gao, Xinyan; Kong, Yan; Wang, Yan; Tian, Tian; Chen, Yu; Yang, Yufei; Lei, Ke; Cui, Zhumei (Frontiers in Surgery, 2024)