title: Letter by Antonelli Incalzi et al regarding article, "endogenous erythropoietin and outcome in heart failure".
authors.forename: Raffaele Antonelli
authors.initials: RA
authors.lastname: Incalzi
authors.forename: Claudio
authors.initials: C
authors.lastname: Pedone
authors.forename: Matteo
authors.initials: M
authors.lastname: Cesari
mesh_terms: D004921:Erythropoietin / Q000097:blood*; D006333:Heart Failure / Q000097:blood / Q000453:epidemiology*; D006801:Humans; D000860:Hypoxia / Q000097:blood / Q000453:epidemiology*; D011379:Prognosis; D029424:Pulmonary Disease, Chronic Obstructive / Q000097:blood / Q000453:epidemiology*; D012307:Risk Factors
chemical_list: D004921:Erythropoietin