Psychotherapeutic treatment of depression is based on observations of depressed people and psychological theories that attempt to understand and explain the reasons why depression occurs

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Psychotherapeutic treatment of depression is based on observations of depressed people, and psychological theories that attempt to understand and explain the reasons why depression occurs.
He then did some of his most important work on complex analysis

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He then did some of his most important work on complex analysis.
Whether theyd be coming or not

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Whether they'd be coming or not.