California requirements specify that all reportable sources of radiation shall be registered, and dental x-ray machines must be registered with the:
a. State Department of Health Services
b. National Bureau of Standards
c. American Dental Association (ADA)
d. Dental Board of California (DBC)
a. State Department of Health Services
b. National Bureau of Standards
c. American Dental Association (ADA)
d. Dental Board of California (DBC)