Nascente, A. P. M.; Assunção, M.; Guedes, C. J.; Freitas, F. G. R.; Mazza, B. F.; Jackiu, M.; Machado, F. R. Comparison of Lactate Values Obtained from Different Sites and Their Clinical Significance in Patients With Severe Sepsis. Sao Paulo Med J 2011, 129, 11-16.