p>A list of single nucleotide polymorphisms (SNPs) relevant to drug activity or
 metabolism, and the effects these may have on pharmacological activity.
 SNP effects in the patient may require close monitoring, an increase or</p>
    </div>

    <div id="ref-usage">
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">drug_snp_effects</span><span class="op">(</span><span class="op">)</span></span></code></pre></div>
    </div>

    <div id="value">
    <h2>Value</h2>
    

<p>a