Kessler RC, McGonagle KA, 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.
2.
Hettema JM, Prescott CA, Myers JM, Neale MC, Kendler KS. The structure of genetic and environmental risk factors for anxiety disorders in men and women. Arch Gen Psychiatry. 2005;62:182-189.
3.
LeDoux JE. The Emotional Brain. New York, NY: Simon & Schuster; 1996.
4.
Cannistraro PA, Rauch SL. Neural circuitry of anxiety: evidence from structural and functional neuroimaging studies. Psychopharmacol Bull. 2003;37:8-25.
5.
Ballenger JC. Treatment of anxiety disorders to remission. J Clin Psychiatry. 2001;62(suppl 12):5-9.
6.
Barlow DH, Gorman JM, Shear MK, Woods SW. Cognitive-behavioral therapy, imipramine, or their combination for panic disorder. JAMA. 2000;283:2529-2536.
7.
Pollack MH. New advances in the management of anxiety disorders. Psychopharmacol Bull. 2002;36(suppl 3):79-94.
8.
Diagnostic and Statistical Manual of Mental Disorders. 4th ed.Washington, DC: American Psychiatric Association; 1994.
9.
Sheikh JI, Swales PJ, Carlson EB, Lindley SE. Aging and panic disorder: henomenology, comorbidity, and risk factors. Am J Geriatr Psychiatry. 2004;12:102-109.
10.
Lenze EJ, Mulsant BH, Mohlman J, et al.Generalized anxiety disorder in late-life. Am J Geriatr Psychiatry. 2005;13:77-80.
11.
Roux HL, Gatz M, Wetherell JL. Age of onset of generalized anxiety disorder in older adults. Am J Geriatr Psychiatry. 2005; 13:23-30.
12.
Sheikh JI, Cassidy EL. Treatment of anxiety disorders in the elderly: issues and strategies. J Anxiety Disord. 2000;14:173-190.