Panichakul, Tasanee, Suchada Thophon, Chanrit Kakhai, Pisut Patumasut, Supawadee Somboon, Chonlapat Sukasem, and Jutathip Srichanrassamee. 2010. “Surveillance and prevention of enterovirus spreading and hand-foot-mouth disease occurrence in young children”. Journal of Public Health and Development 8 (2). Bangkok, Thailand:172-85. https://he01.tci-thaijo.org/index.php/AIHD-MU/article/view/105520.