<https://pubs.asahq.org/anesthesiology/issue/93/3A>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://pubs.asahq.org/anesthesiology/article/93/3A/A/46713/Room-H-10-17-2000-9-00-AM-11-00-AM-PS-Hemodynamic?searchresult=1>