What is online safety?

Why do some pregnant women fail to receive adequate prenatal care? a. ethnicity b. language and cultural barriers c poverty d. all of the above

Arm circles are often effective dynamic stretches for swimmers because they

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?