You are looking at the HTML representation of the XML format.
HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query-continue>
    <allredirects garcontinue="Абдоминальная_пластика" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1350" ns="0" title="BH Clinic (Beauty &amp; Health Clinic)" />
      <page pageid="728" ns="0" title="Bellcontour Gvisc" />
      <page pageid="1632" ns="0" title="Dr. Kadir" />
      <page pageid="1618" ns="0" title="Dr Kadir" />
      <page pageid="2385" ns="0" title="Foam-form терапия" />
      <page pageid="1325" ns="0" title="Soprano XL" />
      <page pageid="521" ns="0" title="Surgiderm" />
      <page pageid="2348" ns="0" title="Tension-free Vaginal Tape" />
      <page pageid="2339" ns="0" title="Trans Obturator Tape" />
      <page pageid="1863" ns="0" title="Абдоменальная пластика" />
    </pages>
  </query>
</api>