AVPR2 and congestive heart failure: Gheorghiade Gheorghiade M M Niazi Niazi I I Ouyang Ouyang J J Vasopressin V2-receptor blockade with tolvaptan in patients with chronic heart failure: results from a double-blind, randomized trial Vasopressin V2-receptor blockade with tolvaptan in patients with chronic heart failure: results from a double-blind, randomized trial Circulation Circulation 2003 2003 107 107 21 21 2690 2690 2696 2696 10.1161/01.CIR.0000070422.41439.04 10.1161/01.CIR.0000070422.41439.04 supplied-pmid 12742979?