Bruen KJ, Ballard JR, Morris SE, Cochran A, Edelman LS, Saffle JR (junio de 2007). «Reduction of the incidence of amputation in frostbite injury with thrombolytic therapy». Arch Surg142 (6): 546-51; discussion 551-3. PMID17576891. doi:10.1001/archsurg.142.6.546.
Bruen KJ, Ballard JR, Morris SE, Cochran A, Edelman LS, Saffle JR (junio de 2007). «Reduction of the incidence of amputation in frostbite injury with thrombolytic therapy». Arch Surg142 (6): 546-51; discussion 551-3. PMID17576891. doi:10.1001/archsurg.142.6.546.