References
- Løkke A, Ulrik CS, Dahl R, Plauborg L, Dollerup J, Kristiansen LC, Cording PH, Dehlendorff C. Detection previously undiagnosed COPD in a high risk population identified in general practice. COPD: Journal of Chronic Obstructive Pulmonary Disease 2011; 6: 123–127.
- MacPherson H. Pragmatic clinical trials. Complementary Therapies in Medicine 2004; 12:136–140.
- GOLD 2011. http://www.goldcopd.org/guidelines-global-strategy-for-diagnosis-management.html
- Young EC, Smith JA. Pharmacologic therapy for cough. Curr Opin Pharmacol (2011 Jun) 11(3):224–30.
- Chang AB. Therapy for cough: where does it fall short? Expert Rev Respir Med (2011 Aug) 5(4):503–13.
- Bednarek M, Gorecka D, Wielgomas J Smokers with airway obstruction are more likely to quit smoking. Thorax 2006; 61:869–73.
- Zeng Qt, Goryachev S, Weiss S, Sordo M, Murphys SN, Laazarus R. Extracting principal diagnosis, co-morbidity and smoking status for asthma research: evaluation of a natural language processing system. BMC Medical Informatics and Decision Making 2006, 6:30 doi:10.1186/1472-6947-6-30.