when subsequently treating the osteoporotic rats with a combination of 1-alpha-oh-cholecalciferol ( 1-alpha-oh-d3 ) and optimal calcium intake osteoporosis as well as morphologic changes of parathyroids can be almost totally reversed as soon as after 2 weeks and completely after 4 and 6 weeks .
C0008318
cholecalciferol
C0029456
osteoporosis