Heart failure with reduced ejection fraction: Should we submit patients without angina to coronary angiography?. (1st July 2015) - Silva, Filipa; Borges, Tiago; Ribeiro, Ana; Mesquita, Raquel; Laszczynska, Olga; Magalhães, Domingos; Silva, João Carlos; Azevedo, Ana; Bettencourt, Paulo