the response of circulating 1,25-dihydroxyvitamin d [ 1,25- ( oh ) 2d ] to challenge with vitamin d treatment both before and after 7-10 days of prednisone therapy ( 25 mg/day ) was investigated in five anephric subjects , six patients with chronic renal failure ( crf ) , two patients with vitamin d intoxication and four patients with hypoparathyroidism .
C0014695
vitamin d
C0020626
hypoparathyroidism