Assertion: kidney stone's calcium | /r/HasProperty | 400 mg/day
Facets:
Source sentences:
text: A five-year randomized controlled clinical trial compared stone recurrence in men with a history of calcium oxalate nephrolithiasis and idiopathic hypercalciuria assigned to a diet lower in calcium (400 mg/day) or to a diet with normal calcium content (1,200 mg/day) and lower amounts of animal protein and sodium; both groups were advised to limit oxalate intake.17