Current asthma contributes as much as smoking to chronic bronchitis in middle age: a prospective population-based study

J Perret, Shyamali Dharmage, John Burgess, Caroline Lodge, David Johns, Paul Thomas, Graham Giles, John Hopper, Michael Abramson, E. Haydn Walters, Melanie Matheson
  • International Journal of Chronic Obstructive Pulmonary Disease, August 2016, Dove Medical Press
  • DOI: 10.2147/copd.s103908

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http://dx.doi.org/10.2147/copd.s103908

The following have contributed to this page: Dr Gayan Bowatte, Professor Graham G Giles, Eugene Walters, David Johns, and John Burgess