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Q53220072-dfa0f529-7e46-4361-97ca-2fca98d55f33
Q53220072-dfa0f529-7e46-4361-97ca-2fca98d55f33
BestRank
Statement
http://www.wikidata.org/entity/statement/Q53220072-dfa0f529-7e46-4361-97ca-2fca98d55f33
Different exposure levels of fine particulate matter and preterm birth: a meta-analysis based on cohort studies.
P31
Q53220072-dfa0f529-7e46-4361-97ca-2fca98d55f33
BestRank
Statement
http://www.wikidata.org/entity/statement/Q53220072-dfa0f529-7e46-4361-97ca-2fca98d55f33
rank
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type
BestRank
Statement
P31
meta-analysis