a 35-year-old white male with rheumatoid arthritis who had developed hypercalcemia , hypercalciuria , and nephrolithiasis was found to be abnormally sensitive to vitamin d as a result of lack of regulation of circulating 1,25-dihydroxyvitamin d ( 1,25- ( oh ) 2d ) .
C0020437
hypercalcemia
C0014695
vitamin d