The phrase does not appear to be a recognized scientific paper or academic document . Instead, "Gyrosburger" typically refers to a food item—a hybrid of Greek gyros and a traditional burger—frequently listed on restaurant menus and in regional e-papers in Germany.
The addition of suggests a compressed file archive. If you encountered this file name on a download site or via email, be aware that:
If you are looking for a specific research paper related to fast food or nutrition, you may be interested in studies from the (RKI) regarding Fast food consumption in Germany .