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Q35991767-66482C3F-0550-4E95-B1D9-9ABAC39FF747
Q35991767-66482C3F-0550-4E95-B1D9-9ABAC39FF747
BestRank
Statement
http://www.wikidata.org/entity/statement/Q35991767-66482C3F-0550-4E95-B1D9-9ABAC39FF747
Changing non-participation in epidemiological studies of older people: evidence from the Cognitive Function and Ageing Study I and II.
P2860
Q35991767-66482C3F-0550-4E95-B1D9-9ABAC39FF747
BestRank
Statement
http://www.wikidata.org/entity/statement/Q35991767-66482C3F-0550-4E95-B1D9-9ABAC39FF747
rank
NormalRank
type
BestRank
Statement
wasDerivedFrom
5e6320e9d070bbbd76634fc04f3eb29eae4ffe52
P2860
Recruiting patients to medical research: double blind randomised trial of "opt-in" versus "opt-out" strategies