Anthony J. Perkins

Six-Item Screener to Identify Cognitive Impairment Among Potential Subjects for Clinical Research

Christopher M. Callahan, Frederick W. Unverzagt, Siu L. Hui et al. · Medical Care · 2002 · 1.5K citations

Monitoring Depression Treatment Outcomes With the Patient Health Questionnaire-9

Bernd L we, J rgen Un tzer, Christopher M. Callahan et al. · Medical Care · 2004 · 1.3K citations

Effectiveness of collaborative care for older adults with Alzheimer disease in primary care: a randomized controlled trial.

Christopher M. Callahan, Malaz Boustani, Frederick W. Unverzagt et al. · PubMed · 2006 · 785 citations

Association of Intensive Care Unit Patient Load and Demand With Mortality Rates in US Department of Veterans Affairs Hospitals During the COVID-19 Pandemic

Dawn M. Bravata, Anthony J. Perkins, Laura J. Myers et al. · JAMA Network Open · 2021 · 449 citations · Full text

Prevalence of malnutrition on admission to four hospitals in England

J. Edington, J. Boorman, E.R. Durrant et al. · Clinical Nutrition · 2000 · 427 citations

Malnutrition, Nutrition, Overnutrition +7