1. Jia zhang he jiao shi men yao jing chang guan xin er tong de ya chi, he yi sheng mi qie he zuo, zuo hao bao hu er tong ya chi jian kang de gong zuo Publication: [Shanghai] : Shanghai wei sheng ju, 1957 Subject(s): Oral HealthChildHealth EducationChina
2. Do you keep your teeth clean?: visit your dentist? eat good food? Publication: Chicago : National Dairy Council, c1967 Subject(s): Oral HealthOral HygieneChild