To assess the success rate of smoking cessation with the "minimal intervention strategy" in general practice, and to determine the influence of spirometry on this success rate.
Buffels, J., Degryse, J.-M., Decramer, M., & Heyrman, J. (2007). Spirometry and smoking cessation advice in general practice : a randomised clinical trial. Respiratory Medicine, 100(11), 2012-2017. https://doi.org/10.1016/j.rmed.2006.02.014 (Original work published 2006)