Referências
1. Ferguson GG, Eliasziw M, Barr HWK, Clagett GP, Barnes RW, Wallace MC, et al. The North American Symptomatic Carotid Endarterectomy Trial. Stroke [Internet]. 1999 Sep;30(9):1751–8. Available from: http://dx.doi.org/10.1161/01.STR.30.9.1751
Ilustração: Leandro Nakashima