Evaluation on efficacy and safety of tolvaptan in treatment of
hyponatremia in patients with chronic heart failure 
LI Bing,HE Min,TONG Ya-liang,FENG Zhao-hui,YANG Ping
Journal of Jilin University(Medicine Edition) . 2013, (5): 995 -998 .  DOI: DOI:10.7694/jldxyxb20130528