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  Indian J Med Microbiol
 

Figure 1: (a) Parasagittal oblique (interlaminar) view (PSO view) (A) with corresponding anatomical section (B) and ultrasound probe orientation (C) ESM: erector spinae muscle; L: Lamina; AC: anterior complex; PC: posterior complex (b) Needle insertion for a PUS approach at the intersection point between the skin markings of the middle point (MP) of short border (SB) of probe in parasagittal oblique (PSO) view and MP of long border (long border) of probe[4]

Figure 1: (a) Parasagittal oblique (interlaminar) view (PSO view) (A) with corresponding anatomical section (B) and ultrasound probe orientation (C) ESM: erector spinae muscle; L: Lamina; AC: anterior complex; PC: posterior complex (b) Needle insertion for a PUS approach at the intersection point between the skin markings of the middle point (MP) of short border (SB) of probe in parasagittal oblique (PSO) view and MP of long border (long border) of probe<sup>[4]</sup>