Bischoff, E. W., Schermer, T. R., Bor, H., Brown, P., van Weel, C., & van den Bosch, W. J. (2009). Trends in COPD prevalence and exacerbation rates in Dutch primary care. Royal College of General Practitioners.

Bischoff, Erik WMA, Tjard RJ Schermer, Hans Bor, Pete Brown, Chris van Weel, and Wil JHM van den Bosch. Trends in COPD Prevalence and Exacerbation Rates in Dutch Primary Care. Royal College of General Practitioners, 2009.

Bischoff, Erik WMA, et al. Trends in COPD Prevalence and Exacerbation Rates in Dutch Primary Care. Royal College of General Practitioners, 2009.