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  Indian J Med Microbiol
 

Figure 1: Scatter plot for correlation of ultrasound measured depth and actual needle depth. Pearson correlation (r = 0.92, P = 0.00)

Figure 1: Scatter plot for correlation of ultrasound measured depth and actual needle depth. Pearson correlation (<i>r</i> = 0.92, <i>P</i> = 0.00)