Foto: "<a href="https://ccby.de/foto/doctor-holding-syringe-with-empty-space/1033568" target="_blank">Doctor holding syringe with empty space</a>" von <a href="https://ccby.de/fotograf/marco-verch" target="_blank">Marco Verch</a> via <a href="https://ccby.de" target="_blank">ccby.de</a>, <a href="https://creativecommons.org/licenses/by/2.0/de/" target="_blank">CC-BY 2.0</a>