<http://schema.org/description>
"What is V/Q mismatch (ventilation/perfusion mismatch), why is it important, and what conditions cause this pulmonary function test to be abnormal?"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.verywell.com/what-is-vq-mismatch-in-the-lungs-914928>