to examine whether the administration of 1 alpha ( oh ) -vitamin d3 ( 1 alpha ( oh ) d3 ) could prevent the occurrence of vertebral crush fractures in senile osteoporosis , crush fractures of the thoracic or lumbar spine in senile osteoporosis treated with 1 alpha ( oh ) d3 , 1.0 microgram/day ( 22 cases ) , 1 alpha ( oh ) d3 1.0 microgram/day + ca 1.0 g/day ( 16 cases ) or ca 1.0 g/day ( 23 cases ) were compared with those in non-treated controls ( 25 cases ) .
C0008318
vitamin d3
C0029456
osteoporosis