O. Ochoa

Effects of annual influenza vaccination on winter mortality in elderly people with chronic heart disease.

T. Rodríguez-Blanco, C. de Diego, A. Vila-Corcoles, 2008, European heart journal.

Effects of annual influenza vaccination on winter mortality in elderly people with chronic pulmonary disease

A. Vila-corcoles, C. de Diego, O. Ochoa, 2007, International journal of clinical practice.

Effect of influenza vaccine status on winter mortality in Spanish community-dwelling elderly people during 2002-2005 influenza periods.

E. Salsench, T. Rodríguez, Waleska Badía, 2007, Vaccine.