| Name | Info | Provider | Link |
|---|---|---|---|
| Alpha-1 Antitrypsin Deficiency | free resource | MedlinePlus Health Information | https://medlineplus.gov/alpha1antitrypsindeficiency.html |
| subscription/membership/fee required | Silverchair Information Systems | https://portlandpress.com/bioscirep/article-lookup/doi/10.1007/BF01121452 |