共 29 条
[21]
*US PHS, 1988, DHHS PUBL PHS
[22]
*US PHS, 1989, NIH PUBL
[23]
*US PHS, 1992, DHHS PUBL PHS
[24]
*US PHS, 1981, NIH PUBL
[25]
*US PHS, 1987, NIH PUBL
[26]
*US PHS, 1981, DHHS PUBL
[27]
Waldman H B, 1993, Ill Dent J, V62, P155
[28]
WALDMAN HB, 1990, J DENT CHILD, V57, P198