Matched context for sulfate and oxalate

The page lists matched contexts for sulfate and oxalate.

Share - sulfate	Share - oxalate	Phrase
4.25%	16.49%	barium {sulfate or oxalate}
2.16%	16.32%	magnesium {sulfate or oxalate}
1.08%	17.76%	calcium {sulfate or oxalate}
0.90%	18.50%	strontium {sulfate or oxalate}