Economic effect evaluation of fluoride varnishes on 3-5 years old children based on decision tree model

YU Jin, ZENG Xiao-li, JIANG Yi-wei, WANG Hu-ning, ZHANG Hao, DA Dong-xin, ZHANG Ying

Shanghai Journal of Stomatology . 2021, (6): 639 -643 . DOI: 10.19439/j.sjos.2021.06.015