共 6 条
[1]
CRAWFORD W H, 1955, J Dent Res, V34, P313, DOI 10.1177/00220345550340030301
[2]
EAMES W B, 1959, J Am Dent Assoc, V58, P78
[4]
PAFFENBARGER GC, 1934, JADA, V21, P658