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2
Q34240060-ED10161F-9884-4E67-ABA6-FD2FA7D3274F
Q34240060-ED10161F-9884-4E67-ABA6-FD2FA7D3274F
BestRank
Statement
http://www.wikidata.org/entity/statement/Q34240060-ED10161F-9884-4E67-ABA6-FD2FA7D3274F
A randomised controlled trial to compare opt-in and opt-out parental consent for childhood vaccine safety surveillance using data linkage.
P921
Q34240060-ED10161F-9884-4E67-ABA6-FD2FA7D3274F
BestRank
Statement
http://www.wikidata.org/entity/statement/Q34240060-ED10161F-9884-4E67-ABA6-FD2FA7D3274F
rank
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type
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Statement
P921
data ethics