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<?xml version="1.0"?>
<api>
  <query>
    <allcategories>
      <c size="2" pages="2" files="0" subcats="0" xml:space="preserve">Abdominal pain</c>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">Alternative medical systems</c>
      <c size="1" pages="0" files="0" subcats="1" xml:space="preserve">Anatomy</c>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">Book</c>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">Cardiology</c>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">Company</c>
      <c size="2" pages="1" files="0" subcats="1" xml:space="preserve">Digestive diseases</c>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">Digestive system</c>
      <c size="1" pages="0" files="0" subcats="1" xml:space="preserve">Diseases and disorders</c>
      <c size="1" pages="1" files="0" subcats="0" xml:space="preserve">Diseases of appendix</c>
    </allcategories>
  </query>
  <query-continue>
    <allcategories acfrom="General surgery" />
  </query-continue>
</api>