which part of the body is indicated by the arrow in the diagram

By signing the patient’s ehr with the digital signature, the provider certifies that all data and information in the patient ehr is:

How do i know when i have a stress headache? what are the symptoms?

Investigator a has biological specimens that are coded and linked to identifiers of the source individuals. investigator a provides the specimens to investigator b but does not provide the individual identifiers. investigator b agrees not to re-identify the source individuals. is investigator b's research using the biospecimens human subjects research according to the definition of human subjects research in the federal regulations?