== Aiheesta muualla ==
* [https://atostek.com/era/ atostek.com/era]
* [https://apps.apple.com/ee/app/era-smartcard/id1421649299 apps.apple.com - Era Smartcard]
* [https://play.google.com/store/apps/details/eRA_SmartCard?id=com.atostek.era.erasmartcard play.google.com - Era Smartcard]
* [https://downloads.ehoito.fi/ downloads.ehoito.fi]