共 29 条
[1]
ANDREWS FM, 1973, MULTIPLE CLASSIFICAT, P104
[3]
BECKER W, 1981, INT J PERIODONT REST, V1, P25
[4]
BJORN H, 1969, Odontologisk Revy, V20, P165
[5]
Eggen S., 1969, SVERIGES TANDLAKFORB, V61, P867
[6]
Fidler V, 1984, J Clin Periodontol, V11, P138, DOI 10.1111/j.1600-051X.1984.tb00842.x