共 17 条
[1]
AINAMO J, 1975, INT DENT J, V25, P229
[2]
APPLEGREN R, 1979, J PERIODONTOL, V50, P540
[3]
Bjorn A L, 1965, Odontol Revy, V16, P300
[7]
LOE H, 1965, PERIODONTICS, V3, P171