1Khalifa MS,Sharkawi MA.Treatment of pain owing to acute ureteral ob2 struction with pro2staglandin2synthetase inhibitor:a prospective random2 ized study. J Urol, 1986, 136 (2) :393.
2Spedding M. Direct inhibitory effect of some calcium antagonist triflu2 operbzine on the contractile protein in smooth muscle. Br J Pharmacolo2gy, 1983,79 (1) : 225.