共 21 条
[1]
American Council on Education, 2002, SEPT 11 COMPR NAT PO, P7
[2]
BERG RA, 1987, ACR B, V43, P3
[6]
Berlin L, 2001, AM J ROENTGENOL, V177, P472
[7]
BERLIN L, 1998, ACR B, V54, P20
[9]
BRENT RL, 1982, PEDIATRICS, V70, P754
[10]
DICKEY NW, 1986, JAMA-J AM MED ASSOC, V256, P2241