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Flow associated or flow mediated dilatation? More than just semantics. K Bhagat, A Hingorani, P Vallance. Heart 1997;78:7–8.

Under the section “Stimulus for dilatation”, the second and third sentences should have read:

Leeson and colleagues measured flow and brachial artery diameter simultaneously and showed that there is a relation between the degree of increase in flow over the first 15 seconds and the percentage of flow mediated dilatation. Others have shown that following hand ischaemia, the increase in blood flow through the brachial artery is immediate and short lived, whereas the subsequent dilatation of the artery is slow in onset and progressive.

and not as published. The error is regretted.

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