Assertion: fluoride | /r/HasProperty | above optimum level
Facets:
value: in many
type: LOCATION
Source sentences:
text: A further 28 countries have water that is naturally fluoridated, though in many of them there are areas where fluoride is above the optimum level.
text: A further 28 countries have water that is naturally fluoridated, though in many of them the fluoride is above the optimum level.