Research Article
Prevalence of asthma and COPD in general practice in 1992: has it changed since 1977?
P R Tirimanna, C P van Schayck, J J den Otter, C van Weel, C L van Herwaarden, G van den Boom, P M van Grunsven and W J van den Bosch
British Journal of General Practice 1996; 46 (406): 277-281.
P R Tirimanna
Department of General Practice, University of Nijmegen.
C P van Schayck
Department of General Practice, University of Nijmegen.
J J den Otter
Department of General Practice, University of Nijmegen.
C van Weel
Department of General Practice, University of Nijmegen.
C L van Herwaarden
Department of General Practice, University of Nijmegen.
G van den Boom
Department of General Practice, University of Nijmegen.
P M van Grunsven
Department of General Practice, University of Nijmegen.
W J van den Bosch
Department of General Practice, University of Nijmegen.

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British Journal of General Practice
Vol. 46, Issue 406
May 1996
Prevalence of asthma and COPD in general practice in 1992: has it changed since 1977?
P R Tirimanna, C P van Schayck, J J den Otter, C van Weel, C L van Herwaarden, G van den Boom, P M van Grunsven, W J van den Bosch
British Journal of General Practice 1996; 46 (406): 277-281.
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