共 7 条
[4]
DAVIS RW, 1976, COMMUNICATION
[5]
LEWIS RB, 1972, CURRENT PROBLEMS ELE, P322
[6]
INFLUENCE OF SECONDARY RADIATION ON IMAGE QUALITY
[J].
ACTA RADIOLOGICA-DIAGNOSIS,
1975, 16 (05)
:520-528
[7]
1973, 101 XER MED APPL B