Werasirirat, P., Puntumethakul, R., Chatchawan, U., & Arayawichanon, P. (2012). Comparison of immediate effects between multiple thoracic manipulation and single thoracic manipulation in chronic mechanical neck pain: a pilot study of randomized controlled trial. Archives of Allied Health Sciences, 24(2), 208–219. retrieved from https://he01.tci-thaijo.org/index.php/ams/article/view/66282