<http://schema.org/description>
"New research from Queen's University Belfast has uncovered the cause of infertility for 80 per cent of couples previously diagnosed with 'unexplained infertility'."^^<http://www.w3.org/2001/XMLSchema#string>
<http://medicalxpress.com/news/2012-11-fresh-couples-unexplained-infertility.html>