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  Indian J Med Microbiol
 

Figure 1: Ultrasound image of the lateral aspect of the neck near the posterior border of SCM muscle: The red arrow indicates prevertebral fascia, and the yellow shaded area is the site of drug deposition. SCM: Sternocleidomastoid, SM: Scalenus medius, SA: Scalenus anterior, IJV: Internal jugular vein, CA: carotid artery

Figure 1: Ultrasound image of the lateral aspect of the neck near the posterior border of SCM muscle: The red arrow indicates prevertebral fascia, and the yellow shaded area is the site of drug deposition. SCM: Sternocleidomastoid, SM: Scalenus medius, SA: Scalenus anterior, IJV: Internal jugular vein, CA: carotid artery