_:n841d430d27ae43e984fc4ff1b3e2ced5xb5
<http://schema.org/valueRequired>
"true"^^<http://www.w3.org/2001/XMLSchema#boolean>
<https://cibpt.org/2010/11/25/nova-serie-de-artigos-sobre-nanotecnologia-e-saude/>