Comparative Evaluation of Three &lt;i&gt;In Vitro&lt;/i&gt; Techniques in the Interaction of Ampicillin and Ciprofloxacin against &lt;i&gt;Staphylococcus aureus&lt;/i&gt; and &lt;i&gt;Escherichia coli&lt;/i&gt;
Tropical journal of pharmaceutical research