Wich food is the best source of calcium to include in your diet? a) sweetened yogurt b) butter c) low-fat milk d) chocolate

Elderly nursing home residents tend to decline faster and die sooner than they would otherwise if they lacka)biofeedback. b)mindfulness meditation. c)perceived control. d)type a personalities

An _ exposure is a repeated or prolonged exposure(over months or years) that may bring about slowly developing symptoms.

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?