1. Placebo-controlled trial of two acellular pertussis vaccines in Sweden - protective efficacy and adverse effects;Lancet,1988
2. Hospital-acquired pneumonia in adults: diagnosis, assessment of severity, initial antibiotic therapy and prevention strategies: a consensus statement;Am J Respir Crit Care Med,1996
3. Guidelines for the management of adults with community-acquired pneumonia: diagnosis, assessment of severity, antimicrobial therapy and prevention;Am J Respir Crit Care Med,2001
4. Bacterial colonisation in patients with bronchiectasis: Microbiological pattern and risk factors;Angrill;Thorax,2002
5. Antibiotic therapy in exacerbations of chronic obstructive pulmonary disease;Anthonisen;Ann Intern Med,1987