Journal of Clinical Epidemiology
Volume 58, Issue 2 , Pages 206-208, February 2005

A cohort study showed that health insurance databases were accurate to distinguish chronic obstructive pulmonary disease from asthma and classify disease severity

Respiratory Epidemiology and Clinical Research Unit, Montreal Chest Institute, McGill University, 3650 St-Urbain Street, Montreal, Quebec, H2X 2P4, Canada

Faculty of Pharmacy, University of Montreal, PO Box 6128, Station Centre-ville, Montréal H3C 3J7, QC, Canada

Research Centre, Sacré-Coeur Hospital, University of Montreal, PO Box 6128, Station Centre-ville, Montréal H3C 3J7, QC, Canada

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PII: S0895-4356(04)00235-5

doi:10.1016/j.jclinepi.2004.08.006

Journal of Clinical Epidemiology
Volume 58, Issue 2 , Pages 206-208, February 2005

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