| Name | Info | Provider | Link |
|---|---|---|---|
| free resource | SMW supporting association (Trägerverein Swiss Medical Weekly SMW) | https://doi.org/10.4414/smw.2011.13170 | |
| Cited by Patents in | free resource | The Lens - Patent Citations | https://www.lens.org/lens/search/patent/list?q=citation_id:21384284 |