共 13 条
[2]
Elliot J, 1963, PERIODONTICS, V1, P245
[3]
FRIEDMAN H, 1958, J PERIODONTOL, V29, P98
[6]
NABERS CL, 1967, PERIODONTICS, V5, P251
[8]
PRICHARD JF, 1969, ADVANCED PERIODONTAL, P269
[10]
ROSS SE, 1966, PERIODONTICS, V4, P246