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Q34575920-EA62356F-3DC3-4F10-A1BD-2978A16EE58E
Q34575920-EA62356F-3DC3-4F10-A1BD-2978A16EE58E
BestRank
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http://www.wikidata.org/entity/statement/Q34575920-EA62356F-3DC3-4F10-A1BD-2978A16EE58E
Beta-blockers reduced the risk of mortality and exacerbation in patients with COPD: a meta-analysis of observational studies.
P921
Q34575920-EA62356F-3DC3-4F10-A1BD-2978A16EE58E
BestRank
Statement
http://www.wikidata.org/entity/statement/Q34575920-EA62356F-3DC3-4F10-A1BD-2978A16EE58E
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P921
meta-analysis