Adoctor is trying to diagnose a woman with the following symptoms: issues with the heart and lungs, a skin rash, and issues with the joints. what autoimmune disorder will the woman most likely be diagnosed with? a. arthritis b. lupus c. grave’s disease d. allergies

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?