in fibroblasts from two patients with dd ii , [ 3h ] 24,25 ( oh ) 2d3 formation was unmeasurable ( below 0.2 pmol/10 ( 6 ) cells per 30 min ) at 1,25 ( oh ) 2d3 concentrations up to 10 ( -6 ) m .
C0016030
fibroblasts
C0007634
cells