TY - GEN AU - Simon,H TI - Injection duration timer SN - 0033-8419 PY - 1974///0402 KW - Angiography KW - instrumentation KW - Humans KW - Injections, Intra-Arterial KW - Technology, Radiologic N1 - Publication Type: Journal Article UR - https://doi.org/10.1148/110.3.720 ER -