<http://schema.org/description>
"A new analysis of 585 large, randomized clinical trials registered with ClinicalTrials.gov finds that 29 percent have not been published in scientific journals. In addition, nearly 78 percent of the unpublished trials had no results available on the website, either."^^<http://www.w3.org/2001/XMLSchema#string>
<http://medicalxpress.com/news/2013-10-results-large-clinical-trials-published.html>