共 25 条
[1]
BARMES DE, 1983, INT DENT J, V33, P60
[4]
ENWONWU CO, 1981, INT DENT J, V31, P29
[8]
Helm S, 1973, Community Dent Oral Epidemiol, V1, P3, DOI 10.1111/j.1600-0528.1973.tb01055.x
[10]
Henshaw N E, 1975, J Dent, V3, P243, DOI 10.1016/0300-5712(75)90029-9