共 6 条
[1]
CRAWFORD H M, 1949, Tex Dent J, V67, P52
[3]
GOTTLIEB B, 1948, TEX DENT J, V66, P20
[4]
KNUTSON JW, 1949, DENTISTRY PUBLIC HLT, P73
[5]
RATCLIFF JD, 1949, COLLIERS 0108
[6]
YOUNGER H B, 1949, Tex Dent J, V67, P96