Rationale and Design of a Prospective, Multicenter, Observational Study Evaluating Iron Deficiency in Patients Hospitalized for Heart Failure (FERIC-RO) oleh Antohi Elena Laura, Chitoiu Gabriel Tatu, Ambrosy Andrew P, Coman Ioan M, Vinereanu Dragos, Collins Sean P, Sinescu Crina, Mihaileanu Serban, Pang Peter S, Butler Javed, Chioncel Ovidiu