共 26 条
[4]
Bjorn A L, 1975, Odontol Revy, V26, P225
[5]
BJORN H, 1969, Odontologisk Revy, V20, P165
[6]
EGGEN S, 1982, SCAND J DENT RES, V90, P459
[7]
Eggen S., 1969, SVERIGES TANDLAKFORB, V61, P867