Wirunrattanakij Y, Woravutrangkul S. Comparison the efficacy of diclofenac phonophoresis and ultrasound therapy on pressure pain threshold in healthy volunteer. Arch AHS [internet]. 2016 May 25 [cited 2026 Sep. 11];28(1):60-8. available from: https://he01.tci-thaijo.org/index.php/ams/article/view/66406