共 17 条
- [1] Ainamo J, 1967, Suom Hammaslaak Toim, V63, P132
- [2] Ainamo J, 1968, Suom Hammaslaak Toim, V64, P1
- [3] UNTREATED PERIODONTAL-DISEASE - LONGITUDINAL-STUDY [J]. JOURNAL OF PERIODONTOLOGY, 1979, 50 (05) : 234 - 244
- [4] Bjorn H, 1966, Odontol Revy, V17, P232
- [6] ENGELBERGER A, 1963, HELVETICA ODONTOLOGI, V7, P34
- [9] Grondahl H G, 1971, Sven Tandlak Tidskr, V64, P439
- [10] HERULF G, 1950, Sven Tandlak Tidskr, V43, P42