Rojanaworarit, D. C., D. S. Soongswang, and S. Wipapsathiankul. “Comparative Caries Preventive Effects of a Serial Oral Health Counseling Program Versus Routine Oral Hygiene Instruction Provided on Vaccination Visits: A Retrospective Cohort Study in Preschool Children in Nan, Thailand”. Journal of Food Health and Bioenvironmental Science, vol. 10, no. 1, Jan. 2017, pp. 61-80,