Role of tramadol in premature ejaculation: a systematic review and meta-analysis
Urologia Internationalis (2013) - Comments
pubmed: 23751284  doi: 10.1159/000348826  issn: 1423-0399  issn: 0042-1138 

Lu Yang, Shengqiang Qian, Huawei Liu, Liangren Liu, Chunxiao Pu, Ping Han, Qiang Wei