Meta-analysis on effectiveness and safety of escitalopram and citalopram in
 treatment of depression
CAO Zhi-hui,CAO Hong-yan,QIN Ling,XU Guo-liang
Journal of Jilin University(Medicine Edition) . 2013, (6): 1228 -1232 .  DOI: DOI:10.7694/jldxyxb20130630