hat
^ "EMedicine - Estrès frakti: Atik pa Jonatan C Reeser, MD, PhD". http://www.emedicine.com/pmr/topic134.htm. Rekipere 2007-12-23.
eng
^ "eMedicine – Stress Fracture : Article by Jonathan C Reeser, MD, PhD". http://www.emedicine.com/pmr/topic134.htm. Retrieved 2007-12-23.