Treatment Costs and Health Care Utilization for Patients with Bipolar Disorder in a Large Managed Care Population

A new method of classifying prognostic comorbidity in longitudinal studies: Development and validation

Mary E. Charlson, Peter Pompei, Kathy L. Aleš et al. · Journal of Chronic Diseases · 1987 · 49.9K citations

Public Health, Biostatistics, Clinical Classification Systems +15

Lifetime and 12-Month Prevalence of DSM-III-R Psychiatric Disorders in the United States

Ronald C. Kessler · Archives of General Psychiatry · 1994 · 12.5K citations

Education, Psychiatry, Psychology +17

Prevalence, Severity, and Comorbidity of 12-Month DSM-IV Disorders in the National Comorbidity Survey Replication

Ronald C. Kessler, Wai Tat Chiu, Olga Demler et al. · Archives of General Psychiatry · 2005 · 12.1K citations · Full text

Education, Behavioral Sciences, Psychiatry +14

The de Facto US Mental and Addictive Disorders Service System

Darrel A. Regier · Archives of General Psychiatry · 1993 · 2K citations

Nursing, Psychiatry, Behavioral Epidemiology +16

Axis I Psychiatric Comorbidity and Its Relationship to Historical Illness Variables in 288 Patients With Bipolar Disorder

S L McElroy, L L Altshuler, Trisha Suppes et al. · American Journal of Psychiatry · 2001 · 701 citations

Medicine, Psychiatry, Adult Psychiatry +16