Thanumpai S, Soontrapa S, Chaikitpinyo S. The Study of Short –Term Precision of Calcaneal Quantitative Ultrasound (Achilles Express). SRIMEDJ [Internet]. 2013 Oct. 31 [cited 2024 May 7];25(2):115-9. Available from: https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/12859