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. 2011 Jul 4;219(4):515–524. doi: 10.1111/j.1469-7580.2011.01407.x

Fig. 3.

Fig. 3

Illustration of the ultrasound sweeps. Sweeps were obtained in two ways: (i) longitudinally oriented probe moving posteriorly (left); and (ii) transversely oriented probe moving distally (right).