<http://schema.org/description>
"Many veterans have developed PTSD from the Vietnam War. Although some veterans were able to recover from their PTSD, others continue to experience PTSD-related problems to this day. Learn more about persistent PTSD in Vietnam veterans."^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.verywell.com/ptsd-from-the-vietnam-war-2797449>