(1)
Suwanasri, C.; Skulchan, N.; Leelakajohnkit, S.; Sakunkaruna, Y.; Thermworakul, L.; Sukjai, S. Changing of Output of Ultrasound Among Before, After 1 and 2 Months of Use in a Physical Therapy Clinic. Arch AHS 2012, 24, 110-116.