Wannaprom, Nipaporn, Kamonjutha Onket, Jakkapop Puachaikul, and Sureeporn Uthaikhup. 2017. “Muscle Thickness of Serratus Anterior Muscle During Performing Wall Push-up Plus and Standard Push-up Plus Using Ultrasound Imaging”. Journal of Associated Medical Sciences 50 (3):371. https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/77279.