Sacubitril/Valsartan is useful and safe in elderly people with heart failure and reduced ejection fraction. Data from a real-word cohort Alberto Esteban-Fernández; Pablo Díez-Villanueva; Lourdes Vicent; Ramón Bover; Manuel Gómez-Bueno; Javier De Juan; Ángel Manuel Iniesta; Marcos García-Aguado; Manuel Martínez-Sellés;