[Effects of verapamil and gynipral on the uterine contractile activity in rats]. / Vliianie verapamila i giniprala na sokratitel'nuiu deiatel'nost' matki krys.

Verapamil and gynipral administered to pregnant rats in doses on a clinical level suppress the uterine contractions, which is manifested by a decrease in the amplitude and frequency of the biopotential. The joint administration of gynipral and verapamil (in half doses) resulted in a pronounced tocolytic effect.