_:n2ab9927be5ca4b089c147398efcf22a4xb5
<http://schema.org/valueRequired>
"true"^^<http://www.w3.org/2001/XMLSchema#boolean>
<https://seoklad.net/novosti-interneta/3012-obzor-svetilnikov-dlya-medicinskih-uchrezhdenij.html>