wikimedia
/
wikidata
/
Login
Register
TriplyDB
Wikidata
Browser
Table
SPARQL
Graphs
1
1
Services
1
1
Assets
0
0
Insights
Schema
BETA
Class frequency
Class hierarchy
Q38162881-FE77D46D-167E-4207-BDE6-F240B2CC4C01
Q38162881-FE77D46D-167E-4207-BDE6-F240B2CC4C01
BestRank
Statement
http://www.wikidata.org/entity/statement/Q38162881-FE77D46D-167E-4207-BDE6-F240B2CC4C01
Study design elements for rigorous quasi-experimental comparative effectiveness research.
P2860
Q38162881-FE77D46D-167E-4207-BDE6-F240B2CC4C01
BestRank
Statement
http://www.wikidata.org/entity/statement/Q38162881-FE77D46D-167E-4207-BDE6-F240B2CC4C01
rank
NormalRank
type
BestRank
Statement
wasDerivedFrom
25571e6b2ab88137fe5cdbb8f623930ce6c51513
P2860
Meta-analysis of well-designed nonrandomized comparative studies of surgical procedures is as good as randomized controlled trials.