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Q34062198-39F8706E-3D2E-499D-B381-93CFCB4AA85D
Q34062198-39F8706E-3D2E-499D-B381-93CFCB4AA85D
BestRank
Statement
http://www.wikidata.org/entity/statement/Q34062198-39F8706E-3D2E-499D-B381-93CFCB4AA85D
Operational definitions of asthma in recent epidemiological studies are inconsistent
P2860
Q34062198-39F8706E-3D2E-499D-B381-93CFCB4AA85D
BestRank
Statement
http://www.wikidata.org/entity/statement/Q34062198-39F8706E-3D2E-499D-B381-93CFCB4AA85D
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Statement
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10212fe0b3ee049e3fd64d13f3fe6548426fe285
P2860
Has the prevalence of asthma increased in children? Evidence from the national study of health and growth 1973-86