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Q28730818-09203131-909E-4CEB-AE3C-D21B54AE1688
Q28730818-09203131-909E-4CEB-AE3C-D21B54AE1688
BestRank
Statement
http://www.wikidata.org/entity/statement/Q28730818-09203131-909E-4CEB-AE3C-D21B54AE1688
Ambient Sulphur Dioxide and Female ED Visits for Migraine
P2860
Q28730818-09203131-909E-4CEB-AE3C-D21B54AE1688
BestRank
Statement
http://www.wikidata.org/entity/statement/Q28730818-09203131-909E-4CEB-AE3C-D21B54AE1688
rank
NormalRank
type
BestRank
Statement
wasDerivedFrom
e545bb358aa3f626e147853622c6bcd7fcae5103
P2860
Potential for bias in case-crossover studies with shared exposures analyzed using SAS