1. AARP 1999 Independent Living: On the Issues Webpage http://www.aarp.org/ontheissues/issueindliv.html
2. Aging and primary care: an overview of organizational and behavioral issues in the delivery of healthcare services to older Americans.;Sofaer;Health Services Research,1998
3. Organizational structure and the delivery of primary care to older americans.;Zinn;Health Services Research,1998