共 9 条
[2]
BJORN H, 1961, DENT PRACT, V11, P351
[4]
ELLEGAARD B, 1976, J CLIN PERIODONTOLOG, V5
[5]
ERICSSON I, 1975, SCAND J DENT RES, V83, P189
[8]
MELCHER A H, 1970, Archives of Oral Biology, V15, P1183, DOI 10.1016/0003-9969(70)90010-5