Name Info Provider Link
Psoriatic Arthritis free resource MedlinePlus Health Information https://medlineplus.gov/psoriaticarthritis.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=32515034.ui
subscription/membership/fee required Wiley https://doi.org/10.1111/1346-8138.15422