1. Mission statement, center for devices and radiological health. https://www.fda.gov/about-fda/center-devices-and-radiological-health/cdrh-mission-vision-and-shared-values
2. Medical device classification system. http://www.fda.gov/MedicalDevices/DeviceRegulationandGuidance/Overview/ClassifyYourDevice/default.htm
3. Neurological devices are outlined in 21 CFR 882. http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfCFR/CFRSearch.cfm?CFRPart=882); Physical Medicine devices are outlined in 21 CFR 890 (https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?CFRPart=890).
4. CDRH Clinical trial enterprise targets and performance http://www.fda.gov/downloads/AboutFDA/CentersOffices/OfficeofMedicalProductsandTobacco/CDRH/CDRHVisionandMission/UCM463964.pdf
5. Medical device general and special controls http://www.fda.gov/medicaldevices/deviceregulationandguidance/overview/generalandspecialcontrols/ucm055910.htm