共 9 条
- [1] Bamford C R, 1969, N Z Dent J, V65, P118
- [2] BECK DJ, 1968, DENTAL HEALTH STATUS, P77
- [3] Burgess W C, 1969, N Z Dent J, V65, P223
- [4] DUNNING JM, 1970, PRINCIPLES DENTAL PU, P417
- [5] FULTON JT, 1951, 4 WHO GEN MON SER
- [6] GRUEBBEL AO, 1950, STUDY DENTAL PUBLIC
- [7] KENNEDY DP, 1971, WHO CHRON, V25, P65
- [8] LOGAN RK, 1971, PERSONAL COMMUNICATI
- [9] SAUNDERS JL, 1964, NEW ZEALAND SCHOOL D