clinical investigations have shown that 1 alpha-hydroxycholecalciferol ( oxydevit , alphacalcidiol ) and 1 alpha , 25-dihydroxycholecalciferol ( rocaltrol ) are act vitamin d3 agents producing a positive clinical effect in different types of osteoporosis and osteomalacia .
C0008318
vitamin d3
C0029456
osteoporosis