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
1471-2288-14-96
1471-2288-14-96
http://dx.doi.org/10.1186/1471-2288-14-96
Designing questionnaires: healthcare survey to compare two different response scales.
P356
Q34021195-D97803FF-E809-45D0-A43D-25A27CC754B6
P356
1471-2288-14-96
http://dx.doi.org/10.1186/1471-2288-14-96