Lertsooksawat, Wannee, Sivaporn Horsophonphong, and Yada Chestsuttayangkul. 2022. “A novel negative airflow aerosol chamber minimized aerosol transmission during ultrasonic scaling: A laboratory investigation”. Mahidol Dental Journal 42 (1). Bangkok, Thailand:47-54. https://he02.tci-thaijo.org/index.php/mdentjournal/article/view/255669.