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
EHP.971051078
EHP.971051078
http://dx.doi.org/10.1289/EHP.971051078
The semi-individual study in air pollution epidemiology: a valid design as compared to ecologic studies.
P356
Q34641007-192695CF-DB3C-4557-AA12-C71F120C839D
P356
EHP.971051078
http://dx.doi.org/10.1289/EHP.971051078