Adabala V, Kumar A, Talawar P, Dhar M, Ravi G. Comparison the Efficacy of EMLA Cream versus EMLA with High Frequency Sonophoresis in Decreasing Onset Time to Topical Anaesthesia in Adult Volunteers: A Pilot Study. Arch Anesth & Crit Care. 2020;6(4):152-155.