Clinical Trial
Comparison the clinical efficacy of intravenous fentanyl and ketorolac in relieving renal colic pain; a controlled randomized clinical trial
Davood Arab 1,2 
, Arash Ardestanizadeh 1,2 , Reihane Ghanipour 2, Majid Mirmohammadkhani 3 , Mohammadreza Moonesan 2,4 *