Kolahdouzan, Khosro Comparing the efficacy of intravenous acetaminophen and intravenous meperidine in pain relief after outpatient urological surgery. [electronic resource] - Anesthesiology and pain medicine Dec 2014 - e20337 p. digital Publication Type: Journal Article ISSN: 2228-7523 Standard No.: 10.5812/aapm.20337 doi