Loss of consciousness; dangerously slow breathing may occur at a BAC of... > 0.7
0.25
0.10
0.02

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Who could you talk to if you were concerned about your own mental health or that of a loved one?

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?