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IP address: 18.204.214.205
Time: 2024-03-28T20:20:30Z
URL: http://scholar.google.com/scholar_lookup?title=MMP12%2C+lung+function%2C+and+COPD+in+high-risk+populations.&year=2009&author=Hunninghake&journal=N+Engl+J+Med.&volume=361&issue=27&pages=2599-2608&doi=10.1056%2FNEJMoa0904006&pmid=20018959