Suvarnnato, T., Puntumethakul, R., Boonprakop, Y. and Phadungkit, S. (2010) “Intratester reliability of three clinical methods of measuring active cervical range of motion in normal subjects: A preliminary study”, Archives of Allied Health Sciences. Khon Kaen, Thailand, 22(2), pp. 160–166. available at: https://he01.tci-thaijo.org/index.php/ams/article/view/66202 (accessed: 28 September 2026).