Ismet, S., W. Wan Hassan, M. Mazlan, L. Mukmin, S. Chong, and R. Mohamad Zaini. “Comparison of Visibility and Block Success Between Echoplex+® and Stimuplex®-Ultraline 360○ Echogenic Needles for Ultrasound-Guided Supraclavicular Brachial Plexus Block for Upper Limb Surgery”. Anaesthesia, Pain & Intensive Care, Vol. 25, no. 6, Jan. 2021, pp. 788-92, doi:10.35975/apic.v25i6.1703.