AUTHOR=Zhang Xuan , Zan Ning TITLE=Case report: Long-term progression-free survival in advanced ovarian cancer treated with apatinib in first-line maintenance treatment JOURNAL=Frontiers in Oncology VOLUME=14 YEAR=2024 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2024.1481251 DOI=10.3389/fonc.2024.1481251 ISSN=2234-943X