awgldk
/
wikidata
/
Login
Register
TriplyDB
Wikidata
Browser
Table
SPARQL
Graphs
1
1
Services
1
1
Assets
0
0
Insights
Schema
BETA
Class frequency
Class hierarchy
SIM.3891
SIM.3891
http://dx.doi.org/10.1002/SIM.3891
Statistical and practical issues in the design of a national probability sample of births for the Vanguard Study of the National Children's Study.
P356
Q33951022-B3E46B2D-20A2-4ACC-B933-B9E19229BA4C
P356
SIM.3891
http://dx.doi.org/10.1002/SIM.3891