<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.petdrugsonline.co.uk/small-pets/fleas-lice-and-mites/spot-on-treatments/Organization>
<https://www.petdrugsonline.co.uk/small-pets/fleas-lice-and-mites/spot-on-treatments/xenex-ultra-spot-on>