in three cows injected intramuscularly with 20 mg dexamethasone sodium phosphate the concentrations of dexamethasone in plasma rose sharply to maximum levels of 24-70 ng/ml within 2-20 min after injection and fell to undetectable levels ( less than 0.15 ng/ml ) after 72 hr .
C0113286
dexamethasone sodium phosphate
C0011777
dexamethasone