a long-term study on the comparative effects of vitamin d2 and 25-hydroxycholecalciferol [ 25- ( oh ) d3 ] , in five patients with severe lesions of osteomalacia and/or osteitis fibrosa , demonstrated the efficiency of 25 to 200 mug/day of 25- ( oh ) d3 and the lack of therapeutic action of 345 to 685 mug/day of vitamin d2 .
C0006657
25-hydroxycholecalciferol
C2713074
25