academic article

• How do proxy responses and proxy-assisted responses differ from what Medicare beneficiaries might have reported about their health care?.  Health Services Research.  43:833-48. 2008
• Impact of severity and bilaterality of visual impairment on health-related quality of life..  Ophthalmology.  113:1846-53. 2006
• Patient reports and ratings of individual physicians: an evaluation of the DoctorGuide and Consumer Assessment of Health Plans Study provider-level surveys..  American journal of medical quality : the official journal of the American College of Medical Quality.  18:190-6. 2003