- Organisation for Economic Co-operation and Development countries (13)
- Radiation--Safety measures (3)
- Administrative procedure--OECD countries (1)
- Government paperwork--OECD countries (1)
- Health surveys--Statistics--Databases (1)
- Industrial statistics--Periodicals (1)
- Lettuce--Standards (1)
- Medical care--Finance--Statistics--Databases (1)
- Medical care--Statistics--Databases (1)
- Organisation for Economic Co-operation and Development coutries (1)
- Plums--Standards (1)
- no value (32)