normocalcemia ( 9.6 mg/dl ) , hypophosphatemia ( 2.0 mg/dl ) , elevated serum alkaline phosphatase concentration ( 313 iu ) , decreased renal tubular reabsorption of phosphorus ( 35 % ) , radiologic evidence of rickets , and lack of response to usual therapeutic doses of vitamin d suggested hypophosphatemic vitamin d-resistant rickets .
C0035579
rickets
C0014695
vitamin d