Assertion: kidney stone | /r/MadeOf | calcium
Facets:
value: usually
type: TEMPORAL
value: typically
type: DEGREE
Source sentences:
text: However, even though some kidney stones are made of calcium, getting enough calcium in your diet can prevent stones from forming.
text: Typically made of calcium, kidney stones are hard pellets formed by excess minerals and salts inside the kidney.
text: Most kidney stones are made of calcium.
text: Kidney stones are made of calcium, oxalate, urate, cystine, xanthine and phosphate.
text: Kidney stones occur in about 5% of the population and are usually made of calcium.