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Q21093297-E80848A8-C42A-4132-97C5-891D3EDD834B
Q21093297-E80848A8-C42A-4132-97C5-891D3EDD834B
BestRank
Statement
http://www.wikidata.org/entity/statement/Q21093297-E80848A8-C42A-4132-97C5-891D3EDD834B
Systematic review with meta-analysis of the epidemiological evidence relating smoking to COPD, chronic bronchitis and emphysema
P2860
Q21093297-E80848A8-C42A-4132-97C5-891D3EDD834B
BestRank
Statement
http://www.wikidata.org/entity/statement/Q21093297-E80848A8-C42A-4132-97C5-891D3EDD834B
rank
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type
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Statement
wasDerivedFrom
8c210e240dfc251a151e03b73677458fc2ed2d74
P2860
Method of sampling in a study of older people with a comparison of respondents and non-respondents.