Suwanasri, Chompunoot, Ninwisan Skulchan, Surachade Leelakajohnkit, Yosawin Sakunkaruna, Ladawan Thermworakul, and Sarawut Sukjai. “Changing of Output of Ultrasound Among Before, After 1 and 2 Months of Use in a Physical Therapy Clinic”. Archives of Allied Health Sciences 24, no. 1 (April 25, 2012): 110–116. Accessed May 12, 2024. https://he01.tci-thaijo.org/index.php/ams/article/view/66269.