Oral iron administration in chronic heart failure patients with iron deficiency: a randomized, placebo-control and double-blind pilot study - Gentil, Jaqueline Rodrigues de Souza; Schwartzman, Pedro Vellosa; Seabra, Luciana de Paula; Carvalho, Eduardo Elias Vieira de; Godoy, Camila Fabrício; Mayumi, Denise; Simões, Marcus Vinícius (Congress of the European Society of Cardiology, 2017)