Thongrungruengchai, N. and Banchonhattakit, P. 2013. Factors Related with the Parents’ Behavior of Helping Their Children Aged 1-5 Years Old in Brushing Teeth, in Nonsang District, Nhongbualumphu Province. Srinagarind Medical Journal. 28, 1 (Aug. 2013), 16–22.