Which is an appropriate element of a stress management plan

The statement defines the use of ethics.

What changes would you have to adapt to have a more balanced life? 10 sentences

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?