Design and rationale of the URGENT Dyspnea study: an international, multicenter, prospective study.
Pang PS, Tavares M, Collins SP, Cleland JG, Hollander J, Nieminen M, Miller C, Courtney DM, Kirk JD, Masip J, Parkhomenko A, Macarie C, Peacock WF, Spinar J, Nowak R, Raev D, Storrow AB, Spisak V, Hamdy A, Mebazaa A, Gheorghiade M. Design and rationale of the URGENT Dyspnea study: an international, multicenter, prospective study. Am J Ther. 2008 Jul-Aug; 15(4):299-303.