Rung-ruangkijkrai, T., W. Klomkleaw, and P. Prachammuang. “Morphology of the Heart of a White-cheeked Gibbon (Hylobates concolor)”. The Thai Journal of Veterinary Medicine, vol. 45, no. 1, Mar. 2015, pp. 51-58, https://he01.tci-thaijo.org/index.php/tjvm/article/view/36176.