TY - GEN AU - Olney,J S TI - Myelographic device for indicating degrees of patient tilt SN - 0033-8419 PY - 1982///0719 KW - Humans KW - Myelography KW - instrumentation KW - Posture N1 - Publication Type: Journal Article UR - https://doi.org/10.1148/radiology.143.3.7079514 ER -