<https://www.msdmanuals.com/en-jp>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.msdmanuals.com/en-jp/home/kidney-and-urinary-tract-disorders/symptoms-of-kidney-and-urinary-tract-disorders/urination-pain-or-burning-with>