DOI:
10.1055/s-00000123
Notfall & Hausarztmedizin
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References
Garcia-Aymerich J, Monso E, Marrades R. et al..
EFRAM Investigators. Risk Factors for Hospitalization for a Chronic Obstructive Pulmonary Disease Exacerbation. EFRAM STUDY.
Am J Respir Crit Care Med 2001; 164: 1002-1007
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