Piyada Prasertsom Factor influencing dental caries of primary school children age 6-7 and 12 years old in Bangkok Metropolitan. Thesis (M.Sc. (Medical Epidemiology))--Mahidol University, 1993. Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/99882
Title
Factor influencing dental caries of primary school children age 6-7 and 12 years old in Bangkok Metropolitan