<https://secure.gravatar.com/avatar/598aacbdc0fbe8deaa2c5d65af9c70dc?s=96&d=mm&r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://pharmaphorum.com/partner-content/an-overview-of-cdisc-standards/>