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Q38798141-490DC5DB-9430-4B86-ADA1-66EAFEADAA56
Q38798141-490DC5DB-9430-4B86-ADA1-66EAFEADAA56
BestRank
Statement
http://www.wikidata.org/entity/statement/Q38798141-490DC5DB-9430-4B86-ADA1-66EAFEADAA56
Evidence for strategies that improve recruitment and retention of adults aged 65 years and over in randomised trials and observational studies: a systematic review.
P2860
Q38798141-490DC5DB-9430-4B86-ADA1-66EAFEADAA56
BestRank
Statement
http://www.wikidata.org/entity/statement/Q38798141-490DC5DB-9430-4B86-ADA1-66EAFEADAA56
rank
NormalRank
type
BestRank
Statement
wasDerivedFrom
f42452f8f9839589200114fbfc431e37792a20bb
P2860
A randomized trial of incentives to improve response rates to a mailed women's health questionnaire.