Udomtanakunchai, Chatchanok, Sirijan Lawongwan, Sasithorn Tasomkan, Pornsawan Pongsopawijit, and Warangkhana Langkaphin. 2018. “The Diagnostic X-Ray Exposure Technique Guidelines for elephants’ Limbs in Elephant Hospital, Thai Elephant Conservation Center, Thailand”. Journal of Associated Medical Sciences 51 (1):45-50. https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/104511.