共 16 条
- [2] ARNOLD FA, 1960, DENT PROGR, V1, P8
- [4] DEAN HT, 1942, AM ASSOC ADV SCI PUB, P23
- [6] Fanning E A, 1975, Aust Dent J, V20, P7
- [7] DETERMINING OPTIMUM FLUORIDE CONCENTRATIONS [J]. PUBLIC HEALTH REPORTS, 1957, 72 (06) : 491 - 493
- [8] Hennon D K, 1966, J Dent Child, V33, P3
- [10] HENNON DK, 1974, J PEDIATRICS, V80, P1018