<prompt> Hypercalciuria is said to be present in children if daily calcium excretion in urine is more than:1 mgkg2 mgkg3 mgkg4 mgkg  <response>: Ans: d 4 mgkg Ref:Nelson, 17th ed, p. 1824, Table 539-1, 18th ed, p. 2184, Table 547-3Normal values of urine chemistry in childrenCalcium 4.0 mgkgOxalate 0.57 mgkgUric acid 10.7 mgkgCitrate 2.0 mgkgCysteinea Heterozygote 1.4 - 2.8b Homozygote 5.7Phosphate 15.0 