1. Medical consultation. The internist on surgical, obstetric, and psychiatric services,1990
2. Ambulatory and inpatient procedures in the United States, 1996. National Center for Health Statistics;Owings;Vital Health Stat,1998
3. 65+ in the United States;Hobbs,1996
4. Persons with chronic conditions: their prevalence and costs;Hoffman;JAMA,1996
5. Delirium: a symptom of how hospital care is failing older persons and a window to improve quality of hospital care;Inouye;Am J Med,1999