| Name | Info | Provider | Link |
|---|---|---|---|
| Artificial Limbs | free resource | MedlinePlus Health Information | https://medlineplus.gov/artificiallimbs.html |
| free resource | NCI CPTC Antibody Characterization Program | https://antibodies.cancer.gov/detail/CPTC-NT5E-1 | |
| free resource | Graphimedic, S.A. de C.V. | http://www.medigraphic.com/pdfs/ortope/or-2023/or235j.pdf |