Association Between Nocturnal Breastfeeding and Snacking Habits and the Risk of Early Childhood Caries in 18- to 23-Month-Old Japanese Children 論文 Yoshimi Nakayama・Mitsuru Mori ·2015-01-01 ·『Journal of Epidemiology』 25(2) pp. 142-147 doi:10.2188/jea.je20140097