Precipitating factors of heart failure admission: Differences related to age and left ventricular ejection fraction

1. Salamanca-Bautista, P.
2. Conde-Martel, A.
3. Aramburu-Bodas, Ó.
4. Formiga, F.
5. Trullàs, J.C.
6. Quesada-Simón, M.A.
7. Casado-Cerrada, J.
8. Ruiz-Laiglesia, F.
9. Manzano, L.
10. Montero-Pérez-Barquero, M.