Clinical depression kept her out of school for more than a year.
Some people have clinical depression only once in their life.
I entered a state which would today be called clinical depression.
Clinical depression can be caused by many factors in a person's life.
For much of his life he suffered from clinical depression.
Nancy began to think that he was in a clinical depression.
There's a big difference between feeling blue once in a while and suffering from clinical depression.
Field went public about his experience with clinical depression in mid-2007 to draw more attention to the condition.
He had been diagnosed with clinical depression about ten years earlier.
The aim of the research was to produce clinical depression.
