Review
Copyright ©The Author(s) 2015.
World J Clin Cases. Mar 16, 2015; 3(3): 245-264
Published online Mar 16, 2015. doi: 10.12998/wjcc.v3.i3.245
Figure 9
Figure 9 Hybrid technique. The angle which the needle makes with the skin surface is measured using a protractor.