| Name | Info | Provider | Link |
|---|---|---|---|
| subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=31121033.ui | |
| free resource | PubMed Central | https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/31121033/ | |
| subscription/membership/fee required | Silverchair Information Systems | https://academic.oup.com/rheumatology/article-lookup/doi/10.1093/rheumatology/kez223 |