title: [Beta inhibitors in the treatment of chronic cardiac insufficiency, are they useful in stable but severely ill patients?].
authors.forename: J A
authors.initials: JA
authors.lastname: Martínez Martínez
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use*; D006801:Humans; D016032:Randomized Controlled Trials as Topic; D018487:Ventricular Dysfunction, Left / Q000188:drug therapy*
chemical_list: D000319:Adrenergic beta-Antagonists