Phusantisampan, Theerawut, Surasak Sangkhathat, Weeradej Meeinkuirt, and Malinee Sriariyanun. 2015. “Association Between Haplotype Tagging Single Nucleotide Polymorphisms of the Ret Proto-Oncogene (RET) and Hirschsprung Disease in Thais”. Agriculture and Natural Resources 49 (1). Bangkok, Thailand:103-10. https://li01.tci-thaijo.org/index.php/anres/article/view/243522.