International Geographic Variation in Event Rates in Trials of Heart Failure With Preserved and Reduced Ejection Fraction

Søren L Kristensen, Lars Køber, Pardeep S Jhund, Scott D Solomon, John Kjekshus, Robert S McKelvie, Michael R Zile, Christopher B Granger, John Wikstrand, Michel Komajda, Peter E Carson, Marc A Pfeffer, Karl Swedberg, Hans Wedel, Salim Yusuf, John J V McMurray