authors Amy Kelley, MD, MSHS Kenneth Langa, MD, PhD Smith, Alexander K Cagle, John Ornstein, Katherine Silveira, Maria J Nicholas, Lauren Covinsky, Kenneth E Ritchie, Christine S
has subject area Aged Caregivers Evidence-Based Practice Health Services Research Health Surveys Humans Longitudinal Studies Needs Assessment Pain Management Palliative Care Quality of Life Retirement Sociological Factors United States