共 11 条
[1]
DEAN HT, 1942, FLUORINE DENTAL HLTH, P23
[4]
HOROWITZ HS, 1973, INT DENT J, V23, P346
[6]
SCHOOL FLUORIDATION STUDIES IN ELK LAKE PENNSYLVANIA AND PIKE COUNTY KENTUCKY - RESULTS AFTER 8 YEARS
[J].
AMERICAN JOURNAL OF PUBLIC HEALTH AND THE NATIONS HEALTH,
1968, 58 (12)
:2240-&
[9]
1965, 8627 US DEP COMM WEA, P60
[10]
1962, 956 US PUBL HLTH SER, P8