RallTWSchleiferLS. Oxytocin, prostaglandins, ergot alkaloids, and other drugs; tocolytic agents. In: GoodmanLSGilmanAGRallTWMuradF, eds. Goodman and Gilman's the pharmacological basis of therapeutics. 7th ed.New York: Macmillan, 1985: 926–45.
2.
CaritisSNToigGHeddingerLA. A double-blind study comparing ritodrine and terbutaline in the treatment of preterm labor. Am J Obstet Gynecol1984; 150: 7–14.