共 48 条
[4]
CHAMBERLAIN J, 1975, LANCET, V2, P1026
[6]
Clement J F, 1984, J Radiol, V65, P361
[7]
COHEN JI, 1985, RADIOLOGY, V155, P69
[8]
COLLETTE HJA, 1984, LANCET, V1, P1224
[9]
DORSI CJ, 1978, CRC CRIT REV DIAGN I, P75