Recruitment and retention of the older adult into research studies.
D000367:Age Factors; D000368:Aged; D006805:Human Experimentation; D006801:Humans; D007258:Informed Consent; D016743:Mental Competency; D009017:Morbidity; D015399:Nursing Research; D018579:Patient Selection; D010820:Physicians; D035842:Research Subjects
Biomedical and Behavioral Research