| Name | Info | Provider | Link |
|---|---|---|---|
| Vitamin A | free resource | MedlinePlus Health Information | https://medlineplus.gov/vitamina.html |
| subscription/membership/fee required | Ovid Technologies, Inc. | http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=36843342.ui | |
| subscription/membership/fee required | Wiley | https://doi.org/10.1111/exd.14781 | |
| free resource | NCI CPTC Antibody Characterization Program | https://antibodies.cancer.gov/detail/CPTC-KRT+Group+A-1 | |
| free resource | NCI CPTAC Assay Portal | https://assays.cancer.gov/non-CPTAC-2680 |