Media type: E-Article Title: Heart Failure With Reduced Ejection Fraction: “The Importance of Being Frail” Contributor: Peterson, Linda R.; Coggan, Andrew R. imprint: Ovid Technologies (Wolters Kluwer Health), 2022 Published in: Circulation Language: English DOI: 10.1161/circulationaha.122.060467 ISSN: 1524-4539; 0009-7322 Keywords: Physiology (medical) ; Cardiology and Cardiovascular Medicine Origination: Footnote: Access State: Open Access