Using a Chatbot as an Alternative Approach for In-Person Toothbrushing Training During the COVID-19 Pandemic: Comparative Study.
Samerchit PithpornchaiyakulSupawadee NaorungrojKittiwara PupongJaranya HunsrisakhunPublished in: Journal of medical Internet research (2022)
Thai Clinical Trials Registry TCTR20191223005; http://www.thaiclinicaltrials.org/show/TCTR20191223005 and TCTR20210927004; https://www.thaiclinicaltrials.org/show/TCTR20210927004.