| Name | Info | Provider | Link |
|---|---|---|---|
| Granulomatosis with Polyangiitis | free resource | MedlinePlus Health Information | https://medlineplus.gov/granulomatosiswithpolyangiitis.html |
| subscription/membership/fee required | Springer | https://dx.doi.org/10.1007/s00405-007-0403-0 |