The relevance in adults of air-flow obstruction, but not of mucus hypersecretion, to mortality from chronic lung disease. Results from 20 years of prospective observation.
Am Rev Respir Dis. 1983 Sep;128(3):491-500. doi: 10.1164/arrd.1983.128.3.491.
Am Rev Respir Dis. 1983.
PMID: 6614643