https://experts.arizona.edu/en/publications/use-of-sensory-evoked-potentials-recorded-from-the-human-occiput-/
Use of sensory-evoked potentials recorded from the human occiput for intraoperative physiologic...
https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfRES/res.cfm?id=138797
Class 2 Device Recall S4C Occiput Torque Wrench F/Set Screw
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