共 46 条
[21]
GOLDMAN HM, 1973, PERIODONTAL THERAPY, P427
[22]
GRANT DA, 1968, ORBANS PERIODONTICS, P623
[23]
ORAL HYGIENE AND PERIODONTAL-DISEASE
[J].
AMERICAN JOURNAL OF PUBLIC HEALTH AND THE NATIONS HEALTH,
1963, 53 (06)
:913-+
[26]
JANN R, 1970, PER ABSTR, V18, P6
[27]
Krajewski J J, 1967, J Calif Dent Assoc, V43, P452
[28]
Krajewski JJ, 1964, PERIODONTICS, V2, P76