authors Zhang, Hao Fettig, Nicole Zhang, Yiye Wen, Katherine Lachs, Mark S Pillemer, Karl Tony Rosen, MD, MPH Bao, Yuhua Baek, Daniel Clark, Sunday Elman, Alyssa Hancock, David Chang, E-Shien Jeng, Philip Gassoumis, Zach
has subject area Aged Data Collection Elder Abuse Health Care Costs Humans Medicare Risk Factors United States