the mean values of t 1/2 of cortisol , prednisolone and dexamethasone in patients with collagen diseases under rfp therapy were 1.8 +/- 0.3 ( mean +/- sd ) ( p less than 0.05 ) , 1.4 +/- 0.2 ( p less than 0.001 ) and 1.3 +/- 0.3 hours ( p less than 0.001 ) , respectively , which were significantly shortened when compared with normal subjects ( cortisol , 2.1 +/- 0.2 ; prednisolone , 2.5 +/- 0.7 ; dexamethasone , 3.5 +/- 1.0 hours ) .
C0009326
collagen diseases
C0011777
dexamethasone