1. Systematic review of the relative efficacy of non-steroidal anti-inflammatory drugs and opioids in the treatment of acute renal colic;Holdgate;BMJ,2004
2. Therapeutic approaches for renal colic in the emergency department: a review article;Golzari;Anesth Pain Med,2014
3. Urinary lithiasis: etiology, diagnosis, and medical management;Drach,1992
4. Nonsteroidal anti-inflammatory drugs (NSAIDs) versus opioids for acute renal colic;Holdgate;Cochrane Database Syst Rev,2005
5. Conventional and alternative methods for providing analgesia in renal colic;Davenport;BJU Int,2005