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<p><b>Alpha blockers</b>, also known as <b>?-blockers</b> or <b>?-adrenoreceptor antagonists</b>, are a class of  <a href="page.php?w=pharmacological_agent">pharmacological agent</a>s that act as <a href="page.php?w=neutral_antagonist">antagonist</a>s on <a href="page.php?w=Adrenergic_receptor">?-adrenergic receptor</a>s (<a href="page.php?w=Adrenergic_receptor">?-adrenoceptors</a>).</p>

<p>Historically, alpha-blockers were used as a tool for pharmacologic research to develop a greater understanding of the autonomic nervous system. Using alpha</p><p>
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