- American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision (DSM-IV-TR) 2000 Washington, DC.

- Wikipedia Definition of Stress (biology)

-Wikipedia information on Major Depression Disorder (medicine)

-Wikipedia additional information - Panic-Attack (disambiguation)

Article #1 - Four Awesome Tips For Coping With Anxiety

Article #2 - Five Excellent Steps For Anxiety Treatment!

Article #3 - Getting Anxiety Help And Anxiety Relief!

Article #4 - Attacking Anxiety - Great Anxiety Cures!