Gheorghiade M, Gattis W, O'Connor C, et al. (2004). «Effects of tolvaptan, a vasopressin antagonist, in patients hospitalized with worsening heart failure: a randomized controlled trial». JAMA291 (16): 1963-71. PMID15113814. doi:10.1001/jama.291.16.1963.
Gheorghiade M, Gattis W, O'Connor C, et al. (2004). «Effects of tolvaptan, a vasopressin antagonist, in patients hospitalized with worsening heart failure: a randomized controlled trial». JAMA291 (16): 1963-71. PMID15113814. doi:10.1001/jama.291.16.1963.