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IP address: 44.223.31.148
Time: 2024-03-28T21:48:52Z
URL: http://scholar.google.com/scholar_lookup?title=Relationship+between+exacerbation+frequency+and+lung+function+decline+in+chronic+obstructive+pulmonary+disease.&year=2002&author=Donaldson&journal=Thorax.&volume=57&issue=10&pages=847-852&doi=10.1136%2Fthorax.57.10.847&pmid=12324669