AUTHOR=Xiong Jin , Xia Lei TITLE=Efficacy and safety of anlotinib as maintenance treatment in extensive-stage small cell lung cancer: a single-armed single center retrospective study JOURNAL=Frontiers in Oncology VOLUME=Volume 14 - 2024 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2024.1462581 DOI=10.3389/fonc.2024.1462581 ISSN=2234-943X