Laparoscopic Surgery for Complex Crohn's Disease: A Meta-Analysis. - Yu, Zhao-liang; Lin, De-zheng; Hu, Jian-cong; Chen, Yu-feng; Cai, Ze-rong; Zou, Yi-feng; Ke, Jia; Guo, Xue-feng; Lan, Ping; Wu, Xiao-jian (Journal of Laparoendoscopic & Advanced Surgical Techniques, 2019)