Meta-analysis of excision repair cross complementary gene 1 (ERCC1) expression and platinum chemosensitivity in patients with ovarian cancer.BACKGROUND
 A meta-analysis was conducted to comprehensively and quantitatively evaluate the relevant research in this area. 
Meta-analysis
The literature published in PubMed, Web of Science, CQVIP, China National Knowledge Infrastructure (CNKI), and Wanfang databases from establishment to June 2019 were searched. 
PubMed
The literature published in PubMed, Web of Science, CQVIP, China National Knowledge Infrastructure (CNKI), and Wanfang databases from establishment to June 2019 were searched. 
Web of Science
The literature published in PubMed, Web of Science, CQVIP, China National Knowledge Infrastructure (CNKI), and Wanfang databases from establishment to June 2019 were searched. 
CQVIP
The literature published in PubMed, Web of Science, CQVIP, China National Knowledge Infrastructure (CNKI), and Wanfang databases from establishment to June 2019 were searched. 
China National Knowledge Infrastructure (CNKI)
The literature published in PubMed, Web of Science, CQVIP, China National Knowledge Infrastructure (CNKI), and Wanfang databases from establishment to June 2019 were searched. 
Wanfang databases