Chronic obstructive pulmonary disease

Abstract
Footnotes Competing interests DP, either through his role at the University of Aberdeen or personally, has received grants, honorariums, or educational support from the UK NHS research and development programme and the following pharmaceutical companies: 3M, Abbott, AstraZeneca, GlaxoSmithKline, Innovata Biomed, Ivax, Merck, Sharpe and Dohme, Medeva, Novartis, Roche, Schering Plough, Yamanouchi. He does not possess any pharmaceutical shares. In the past two years MD has received payment from 3M and Altana Pharma for consultancy and a research grant from Ivax. These companies produce respiratory products.