<https://nutritionreview.org/2011/02/simple-spit-and-blood-tests-might-detect-burnout-before-it-happens/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://nutritionreview.org/2011/02/simple-spit-and-blood-tests-might-detect-burnout-before-it-happens/>