共 7 条
[1]
CHAFFIN DB, 1978, J OCCUP ENVIRON MED, V20, P403
[4]
ULTRASONIC MEASUREMENT OF THE LUMBAR SPINAL-CANAL - THE ORIGIN AND PRECISION OF THE RECORDED ECHOES
[J].
JOURNAL OF BONE AND JOINT SURGERY-BRITISH VOLUME,
1981, 63 (04)
:504-507
[6]
ROWE ML, 1982, J OCCUP ENVIRON MED, V24, P41
[7]
VERBIEST H, 1978, J BONE JOINT SURGE B, V59, P485