AUTHOR=Chen Zhigang , Fu Xiang , Zhu Lingping , Wen Xiurong TITLE=The benefit and risk of addition of chemotherapy to EGFR tyrosine kinase inhibitors for EGFR-positive non-small cell lung cancer patients with brain metastases: a meta-analysis based on randomized controlled trials JOURNAL=Frontiers in Oncology VOLUME=14 YEAR=2024 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2024.1448336 DOI=10.3389/fonc.2024.1448336 ISSN=2234-943X