Smith and colleagues,1 to continue to establish the legitimacy of surgeon-performed ultrasonography, have produced another excellent study. Their methods for evaluating the learning curve in senior surgical residents were very interesting, and the results continue to corroborate the use of this practice in trauma centers; however, some methodological issues should be discussed further.
Lazzaron AR, de Souza RM. Accuracy of Surgeon-Performed Trauma Ultrasound. Arch Surg. 1998;133(11):1254. doi: