共 14 条
[2]
Douglass C W, 1979, J Dent Educ, V43, P223
[4]
GREEN LW, 1970, PUBLIC HEALTH REP, V85, P815, DOI 10.2307/4593972
[5]
Jenny J, 1973, J Public Health Dent, V33, P211, DOI 10.1111/j.1752-7325.1973.tb03989.x
[6]
KRIESBERG L, 1960, J AM COLL DENT, V27, P147
[9]
NEWMAN JF, 1972, PATTERNS DENTAL UTIL