共 5 条
[1]
BACKERDIRKS O, 1961, ARCH ORAL BIOL, V6, P94
[3]
Hargreaves J A, 1973, Community Dent Oral Epidemiol, V1, P47, DOI 10.1111/j.1600-0528.1973.tb01860.x
[5]
HARGREAVES JA, 1964, BRIT DENT J, V116, P386