<https://www.healthhub.nl/nl/bibliotheek/psoriatic-arthritis-impact-of-disease-vragenlijst-psaid-9/>
<http://schema.org/name>
"Psoriatic Arthritis Impact of Disease-vragenlijst PSAID-9 vragenlijst, test of score"
<https://www.healthhub.nl/nl/bibliotheek/psoriatic-arthritis-impact-of-disease-vragenlijst-psaid-9/>