Assertion: oxalic acid | /r/Causes | kidney stones
Facets:
value: to the intestines
type: TRANSITIVE-OBJECT
Source sentences:
text: Oxalic acid is known to cause kidney stones, because it transforms to calcium oxalate which are basically what most kidney stones consist of.
text: Oxalic acid in high doses can pose health risks, causing kidney stones and irritation to the intestines and therefor consuming massive amounts of sour grass is not recommended.