| Name | Info | Provider | Link |
|---|---|---|---|
| subscription/membership/fee required | Elsevier Science | https://linkinghub.elsevier.com/retrieve/pii/S1877-9182(19)30143-1 | |
| Heart Surgery | free resource | MedlinePlus Health Information | https://medlineplus.gov/heartsurgery.html |
| subscription/membership/fee required | ClinicalKey | https://www.clinicalkey.com/content/playBy?issn=&vol=12&issue=1&pgfirst=125 |