共 6 条
[1]
BELLINGER WR, 1953, J KAN STATE DENT ASS, V37, P120
[3]
HENSHAW CH, 1953, IOWA DENT B, V39, P227
[4]
*ND STAT DEP HLTH, 1953, REL FLUOR DENT DEC H, V8, P3
[5]
NEVITT GA, 1953, J MO STATE DENT ASS, V33, P10
[6]
PELTON WJ, 1949, DENT PUBLIC HLTH