Essentials (Medical Textbooks)

Some medical textbooks, such as the Oxford Textbook of Medicine, begin each chapter with an Essentials section. Capture this section in the chapterFrontMatter element within a div1 role="essentials" element.

Example


      <chapterFrontMatter id="med-9780199566990-chapter-3-chapterFrontMatter-1">
        <textMatter><div1 id="med-9780199566990-chapter-3-div1-1" role="essentials">
 <titleGroup>
   <title>
     <p>Essentials</p>
   </title>
 </titleGroup>
 <p>Although accurate incidence figures are not available in most countries, sexually
              transmitted infections (STIs) (excluding HIV) are estimated to cause...</p></div1>
        </textMatter>
      </chapterFrontMatter>