Πέτρα στα νεφρά: Διαφορά μεταξύ των αναθεωρήσεων

* [https://web.archive.org/web/20150325114658/http://www.guideline.gov/content.aspx?id=12209 2007 guideline for the management of ureteral calculi]

<ref name=Pearle2007>{{cite book|editor-last=Litwin|editor-first=MS|editor2-last=Saigal|editor2-first=CS|title=Urologic Diseases in America (NIH Publication No. 07–5512)|last=Pearle|first=MS|last2=Calhoun|first2=EA|last3=Curhan|first3=GC|chapter= Ch. 8: Urolithiasis |pages=283–319|publisher=[[National Institute of Diabetes and Digestive and Kidney Diseases]], [[National Institutes of Health]], [[United States Public Health Service]], [[United States Department of Health and Human Services]]|location=Bethesda, Maryland|year=2007|url=http://kidney.niddk.nih.gov/statistics/uda/Urologic_Diseases_in_America.pdf|page=|accessdate=2015-11-26|archiveurl=https://web.archive.org/web/20111018023922/http://kidney.niddk.nih.gov/statistics/uda/Urologic_Diseases_in_America.pdf|archivedate=2011-10-18|url-status=dead}}</ref>