01-04-2017 | Editorial
Postural tachycardia syndrome and suicide: what we don’t know
Published in: Clinical Autonomic Research | Issue 2/2017
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…“There are known knowns; there are things we know we know. We also know there are known unknowns; that is to say we know there are some things we do not know. But there are also unknown unknowns—the ones we don’t know we don’t know”.-US Secretary of Defense Donald H. Rumsfeld (February 12, 2002) [1].