Estimating the Cost of Informal Caregiving for Elderly Patients with Cancer. Journal of Clinical Oncology. 2001;19(13):3219-25.
The Explosion in Paid Home Health Care in the 1990s: Who received the additional services?. Medical Care. 2001;39(2):147-57..
Gender Disparities in the Receipt of Home Care for Elderly People with Disability in the United States. The Journal of the American Medical Association. 2000;284(23):3022-7..
Informal Caregiving for Diabetes and Diabetic Complications Among Elderly Americans. The Journals of Gerontology: Social Sciences. 2002;57B(3):S177-86.
A National Study of the Quantity and Cost of Informal Caregiving for the Elderly With Stroke. Neurology. 2002;58(12):1754-9..