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Excel formula basics: The role of the dollar sign

This video explains how the dollar sign is used in Excel formulas to control whether cell references stay fixed or change ...
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Virtual reality for visions (VRV): a proof-of-concept study examining the development of a new treatment for distressing visual hallucinations in people with psychosis

Introduction Visual Hallucinations (VHs) (seeing things that others do not, or visions) are a common feature of psychosis, causing significant distress and disability. Services rarely ask about these ...

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