The effect of nitrous oxide in comparison to oxygen combined with fentanyl on the hospitalization time and pain reduction in renal colic patients at emergency department

von Ahmadi, Omid, Dehkordi, Amir Shirvani, Heydari, Farhad, Esfahani, Mohammad Nasr, Mahaki, Behzad
Veröffentlicht in J Res Med Sci (2018)