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  Indian J Med Microbiol
 

Figure 7: Calcification in the thyroid colloidal nodule shows twinkling artifact, evaluated with 10 KHz (62.6 cm/s) and 13.5 KHz (14.1 cm/s), while keeping all the other machine settings the same. High and low pulse repetition frequency have the same twinkling artifact

Figure 7: Calcification in the thyroid colloidal nodule shows twinkling artifact, evaluated with 10 KHz (62.6 cm/s) and 13.5 KHz (14.1 cm/s), while keeping all the other machine settings the same. High and low pulse repetition frequency have the same twinkling artifact