Is heart failure with mid range ejection fraction (HFmrEF) a distinct clinical entity or an overlap group? oleh Jessica Webb, Jane Draper, Lauren Fovargue, Ben Sieniewicz, Justin Gould, Simon Claridge, Carys Barton, Silapiya Smith, Kristin Tondel, Ronak Rajani, Stamatis Kapetanakis, Christopher A. Rinaldi, Theresa A. McDonagh, Reza Razavi, Gerald Carr-White