Matched context for sulfite and fluoride

The page lists matched contexts for sulfite and fluoride.

Share - sulfite	Share - fluoride	Phrase
14.64%	7.99%	chromic [physical/chemical] {sulfite or fluoride}
7.28%	5.74%	calcium {sulfite or fluoride}
6.75%	3.68%	strontium {sulfite or fluoride}
6.01%	3.75%	barium {sulfite or fluoride}
5.95%	3.71%	magnesium {sulfite or fluoride}