共 30 条
[6]
CATON J, 1982, J PERIODONTOL, V53, P420, DOI 10.1902/jop.1982.53.7.420
[7]
CIANCIO SG, 1983, INT J PERIODONT REST, V6, P54
[10]
HAFFAJEE AE, J CLIN PERIODONTOLOG, V10, P257