- Double-blind comparison of carbetocin versus oxytocin in prevention of uterine atony after cesarean section. Dansereau, J., Joshi, A.K., Helewa, M.E., Doran, T.A., Lange, I.R., Luther, E.R., Farine, D., Schulz, M.L., Horbay, G.L., Griffin, P., Wassenaar, W. Am. J. Obstet. Gynecol. (1999)