the interval to the next activity front was prolonged by a dose of 1.0 mg prostaglandin e2 from 79.5 +/- 9.5 min to 137.1 +/- 5.0 min ( p less than 0.01 ) and to 158.0 +/- 14.0 min by 2.0 mg prostaglandin e2 ( p less than 0.05 ) .
C0033554
prostaglandin
C0012472
prostaglandin e2