共 9 条
[3]
FREEDMAN HL, 1965, J AM DENT ASSOC, V31, P779
[4]
JAMISON HC, 1963, J AM DENT ASSOC, V66, P208
[7]
RAMFJORD S, 1966, P WORLD WORKSHOP PER
[8]
SILNESS J, 1964, Acta Odontol Scand, V22, P121, DOI 10.3109/00016356408993968
[9]
1965, VITAL HEALTH STAT 11