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Community-acquired pneumonia in the elderly: Spanish multicentre study
R. Zalacain, A. Torres, R. Celis, J. Blanquer, J. Aspa, L. Esteban, R. Menéndez, R. Blanquer, L. Borderías on behalf of the “Pneumonia in the elderly” working group, Area de Tuberculosis e Infecciones Respiratorias
European Respiratory Journal 21 (2) 294-302; DOI: 10.1183/09031936.03.00064102 Published 1 February 2003