The effect of prostaglandin E 1  on the K + -induced contracture of the guinea-pig ureter.
D000818:Animals; D002118:Calcium / Q000494:pharmacology; D005260:Female; D006168:Guinea Pigs; D009119:Muscle Contraction / Q000187:drug effects*; D011188:Potassium / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D011453:Prostaglandins / Q000494:pharmacology*; D014513:Ureter / Q000187:drug effects*
D011453:Prostaglandins; D011188:Potassium; D002118:Calcium