in order to study the role of calcium-regulating hormones during callus formation in elderly patients , serum levels of parathormone ( pth ) , calcitonin ( ct ) , 25-hydroxyvitamin d [ 25-oh-d ] , 1,25-dihydroxyvitamin d [ 1,25 ( oh ) 2d ] , 24,25-dihydroxyvitamin d [ 24,25 ( oh ) 2d ] , and calcium ( ca ) were determined in 41 patients with fractures of long bones , primarily hip fractures .
C0016658
fractures of
C0019557
hip fractures