wikimedia
/
wikidata
/
Login
Register
TriplyDB
Wikidata
Browser
Triples
Insights
Schema
BETA
Class frequency
Class hierarchy
SPARQL
GraphQL
BETA
Graphs
1
Q24802115-F9CC7730-AB61-43FA-9791-99A2E2576F32
Q24802115-F9CC7730-AB61-43FA-9791-99A2E2576F32
BestRank
Statement
http://www.wikidata.org/entity/statement/Q24802115-F9CC7730-AB61-43FA-9791-99A2E2576F32
Effect of prize draw incentive on the response rate to a postal survey of obstetricians and gynaecologists: a randomised controlled trial. [ISRCTN32823119]
P2860
Q24802115-F9CC7730-AB61-43FA-9791-99A2E2576F32
BestRank
Statement
http://www.wikidata.org/entity/statement/Q24802115-F9CC7730-AB61-43FA-9791-99A2E2576F32
rank
NormalRank
type
BestRank
Statement
wasDerivedFrom
5ae36f4af7a32fe81d163db6dbccf7b081c084e9
P2860
Response rates of Victorian general practitioners to a mailed survey on miscarriage: randomised trial of a prize and two forms of introduction to the research.