共 32 条
- [3] BANG G, 1972, SCAND J DENT RES, V80, P440
- [4] BJORN AL, 1974, ODONTOL REVY S29, V25
- [6] Cohen LK, 1978, INT DENT CARE DELIVE, P201
- [7] DUNNING JM, 1980, PRINCIPLES DENTAL PU, P127
- [8] ENWONWU CO, 1981, INT DENT J, V31, P29
- [9] FROSTELL G, 1980, KARIOLOGISKA PRINCIP, P187