Vattanasilp, W., Pungsuwan, P., Kongnaka, T., Kaenpakdee, P., Katiyajan, U. and Ngamsanit, T. (2002) “Tentative shortening lower limp muscles in non ambulatory cerebral palsy”, Archives of Allied Health Sciences. Khon Kaen, Thailand, 14(3), pp. 218–229. available at: https://he01.tci-thaijo.org/index.php/ams/article/view/65978 (accessed: 14 September 2026).