the interaction of dietary fluoride and selenium in the hard and soft tissues of rats was studied by providing drinking solutions containing 50 ppm f , as naf , alone or plus 1 or 3 ppm se as one of the following selenium compounds : naseo3 , na2seo4 , dl-selenomethionine , or dl-selenocystine .
C0016327
fluoride
C0037508
naf