Select the phrase that correctly completes the statement. is a harmful pathogen and produces toxins that are poisonous to the human body.
Mike ate plain deli meat from the refrigerator and then got sick.
Y
made him ill.

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?