Parental occupations, educational levels, and income and prevalence of dental caries in 3-year-old Japanese children 論文 Hiromasa Kato・Keiko Tanaka・Ken Shimizu・Chisato Nagata・Shinya Furukawa・Masashi Arakawa・Yoshihiro Miyake ·2017-12-01 ·『Environmental Health and Preventive Medicine』 22(1) pp. 80-80 doi:10.1186/s12199-017-0688-6