hat
^ Bachmann LM, Kolb E, Koller MT, Steurer J, ter Riet G (fevriye 2003). "Presizyon nan règ cheviy Ottawa yo eskli ka zo kase nan cheviy a ak mitan-pye: revizyon sistematik". BMJ 326 (7386): 417. Doi:10.1136 / bmj.326.7386.417. Pm 149439. PMID 12595378. http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&amp;artid=149439.
eng
^ Bachmann LM, Kolb E, Koller MT, Steurer J, ter Riet G (February 2003). "Accuracy of Ottawa ankle rules to exclude fractures of the ankle and mid-foot: systematic review". BMJ 326 (7386): 417. doi:10.1136/bmj.326.7386.417. PMC 149439. PMID 12595378. http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&amp;artid=149439.