| Name | Info | Provider | Link |
|---|---|---|---|
| subscription/membership/fee required | Atypon | https://journals.sagepub.com/doi/10.1177/2048872615624238?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed | |
| Arrhythmia | free resource | MedlinePlus Health Information | https://medlineplus.gov/arrhythmia.html |
| subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=26714974.ui | |
| subscription/membership/fee required | Silverchair Information Systems | https://academic.oup.com/ehjacc/article-lookup/doi/10.1177/2048872615624238 |