共 19 条
[3]
BRYAN E T, 1968, Journal of Public Health Dentistry, V28, P182, DOI 10.1111/j.1752-7325.1968.tb01412.x
[5]
FJAESTADSEGER M, 1961, SVER TANDLAK FORB, V53, P169
[6]
Gausen A, 1968, Nor Tannlaegeforen Tid, V78, P483
[7]
HEYROTH FF, 1952, AM J PUBLIC HEALTH, V42, P1568
[9]
HOROWITZ HS, 1970, MAR IADR PROGR ABSTR
[10]
LEONE N C, 1955, J Am Dent Assoc, V50, P277