Ms. gonzales decided to remain in original medicare (parts a and b) and part d during the annual enrollment period (aep). at the beginning of january, her neighbor told her about the medicare advantage (ma) plan he selected. he also told her there was an open enrollment period that she might be able to use to enroll in a ma plan. ms. gonzales comes to you for advice shortly after speaking to her neighbor. what should you tell her?

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?