| Name | Info | Provider | Link |
|---|---|---|---|
| subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=17938310.ui | |
| free resource | NCI CPTC Antibody Characterization Program | https://antibodies.cancer.gov/detail/CPTC-NT5E-1 | |
| subscription/membership/fee required | Silverchair Information Systems | https://jamanetwork.com/journals/jamasurgery/fullarticle/10.1001/archsurg.142.10.962 |