This version of OLS (OLS3) is no longer updated and will be replaced by OLS4 on 30th October 2023.

Help us test the new version of OLS, with updated versions of ontologies and lots of new features!

Information about the language an individual has been exposed to from birth and is their first language.

This is just here as a test because I lose it

Term information

IHCC browser label
  • native language
IHCC category
  • socio-demographic and economic characteristics
definition source
  • url:

Term relations