%0 Journal Article %T Efficacy and Safety of a Stimulator Using Low-Intensity Pulsed Ultrasound Combined with Transcutaneous Electrical Nerve Stimulation in Patients with Painful Knee Osteoarthritis %A Da-Sol Kim %A Eu-Deum Kim %A Gi-Wook Kim %A Jeon-Hwan Seo %A Myoung-Hwan Ko %A Sung-Hee Park %A Yu Hui Won %J Archive of "Pain Research & Management". %D 2019 %R 10.1155/2019/7964897 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6604342/