A meta-analysis and systematic review of randomized controlled trials in combination gemcitabine with erlotinib in the pancreatic cancer

Longxiang Yan, Wenming Lu, Wenjin Huang, Alexis Bindzi Zoa, Jiang Zheng, Mingbai Qin, Jing Du, Qiuxiang Xiao, Zhiping Liu, Yuantong Tian