"Pankreas-Krebs: Selten, symptomlos und tödlich!" [Pancreatic Cancer: Rare, Without Symptoms, and Lethal!]. heute.at (in German). Vienna: AHVV Verlags GmbH. 5 August 2014. Archived from the original on 24 September 2015. Retrieved 8 August 2014.
"Pankreas-Krebs: Selten, symptomlos und tödlich!" [Pancreatic Cancer: Rare, Without Symptoms, and Lethal!]. heute.at (in German). Vienna: AHVV Verlags GmbH. 5 August 2014. Archived from the original on 24 September 2015. Retrieved 8 August 2014.