1. Unutzer J, Katon W, Sullivan M, Miranda J. Treating depressed older adults in primary care: narrowing the gap between efficacy and effectiveness. Milbank Q 1999;77:225-56.
2. Penninx W, Penninx H, Guralnik J, et al. Depressive symptoms and physical decline in community dwelling older persons. JAMA 1998;279:1720-26.
3. Penninx B, Geerlings S, Deeg D, van Eijk J, van Tilburg W, Beekman A. Minor and major depression and the risk of death in older persons. Arch Gen Psychiatry 1999;56:889-95.
4. Rovner B, German P, Brant L, Clark R, Burton L, Folstein M. Depression and mortality in nursing homes. JAMA 1991;265:993-96.
5. US Department of Health and Human Services. Mental health: a report of the surgeon general. Rockville, Md: US Department of Health and Human Services, Substance Abuse and Mental Health Services Administration, Center for Mental Health Services, National Institutes of Health, National Institutes of Mental Health.; 1999.
6. Kroenke K, Taylor-Vaisey A, Dietrich AJ, Oxman TE. Interventions to improve provider diagnosis and treatment of mental disorders in primary care: a critical review of the literature. Psychosomatics 2000;41:39-52.
7. Klinkman M, Coyne J, Gallo S, Schwenk T. False positives, false negatives, and the validity of the diagnosis of major depression in primary care. Arch Fam Med 1998;7:451-61.
8. Rost Kea. The deliberate misdiagnosis of major depression in primary care. Arch Fam Med 1994;3:333-37.
9. Eaton W, Anthony J, Gallo J, et al. National history of Diagnostic Interview Schedule/DSM-IV major depression: the Baltimore Epidemiologic Catchment Area Follow-up. Arch Gen Psychiatry 1997;54:993-99.
10. Williams JW, Rost K, Dietrich AJ, Ciotti MC, Zyzanski SJ, Cornell J. Primary care physicians’ approach to depressive disorders: effects of physician specialty and practice structure. Arch Fam Med 1999;8:58-67.
11. Caine E, Lyness J, King D, Connors L. Clinical and etiological heterogeneity of mood disorders in elderly patients. In: Schneider L, Reynolds C, Lebowitz B, Friedhoff A, eds. Diagnosis and treatment of depression in late life: results of the NIH Consensus Development Conference. Washington, DC: American Psychiatric Association; 1994;21-54.
12. Gallo J, Rabins P, Anthony J. Sadness in older persons: 13-year follow-up of a community sample in Baltimore, Maryland. Psychol Med 1999;29:341-50.
13. Gallo J, Royall D, Anthony J. Risk factors for the onset of major depression in middle age and late life. Soc Psychiatry Psych Epidemiol 1993;28:101-08.
14. Kessler R, McGonagle K, Zhao S, et al. Lifetime and 12-month prevalence of DSM-III-R psychiatric disorders in the United States: results from the National Comorbidity Survey. Arch Gen Psychiatry 1994;51:8-19.
15. Gallo J, Cooper-Patrick L, Lesikar S. Depressive symptoms of whites and African Americans aged 60 years and older. J Gerontol: Psychol Sci 1998;53B:277-86.
16. Cooper-Patrick L, Gallo J, Gonzalez J, et al. Race, gender, and partnership in the patient-physician relationship. JAMA 1999;37:1034-45.
17. Rost K, Nutting P, Smith J, Coyne JC, Cooper-Patrick L, Rubenstein L. The role of competing demands in the treatment provided primary care patients with major depression. Arch Fam Med 2000;9:150-54.
18. Bryant E, Shimizu I. Sampling design, sampling variance, and estimation procedures for the National Ambulatory Medical Care Survey. Vital Health Stat 2 1988;108:1-39.
19. Woodwell DA. National Ambulatory Medical Care Survey: 1998 summary. Advance data from vital and health statistics. Hyattsville, Md: National Center for Health Statistics; 2000.
20. Potthoff R, Woodbury M, Manton K. ‘Equivalent sample size’ and ’equivalent degrees of freedom’ refinements for inference using survey weights under superpopulation models. J Am Stat Assoc 1992;87:383-96.
21. Leaf P, Myers J, McEvoy L. Procedures used in the epidemiologic catchment area study. In: Robins L, Regier D, eds. Psychiatric Disorders of America: The Epidemiologic Catchment Area Study. New York, NY: The Free Press; 1991.
22. Brown C, Shulberg HC. Diagnosis and treatment of depression in primary medical care practice: the application of research findings to clinical practice. J Clin Psychol 1998;54:303-14.
23. Olfson M, Shea S, Feder A, et al. Prevalence of anxiety, depression, and substance use disorders in an urban general medicine practice. Arch Fam Med 2000;9:876-83.
24. Sullivan M, Cole S, Gordon G, Hahn S, Kathol R. Psychiatric training in medicine residencies: current needs, practices and satisfaction. Gen Hosp Psychiatry 1996;18:95-101.
25. Solberg L, Korsen N, Oxman T, Fischer L, Bartels S. The need for a system in the care of depression. J Fam Pract 1999;48:973-79.
