in six infants aged between 4 and 8 months with chronic renal failure , we have studied blood levels of calcium ( ca ) , phosphorus ( p ) , alkaline phosphatase , immunoreactive parathyroid hormone ( pth ) , and calcitonin ( ct ) , as well as urinary excretion of ca , p , hydroxyproline and cyclic amp under basal conditions and during an infusion of 20 mg/kg of 10 % ca gluconate in normal saline over 4 h .
C0006675
ca
C0006699
ca gluconate