Dax, Florian; Waibel, Moritz; Kneißl, Katharina; Prückner, Stephan; Lazarovici, Marc; Hoffmann, Florian; Hegenberg, Kathrin (2024): Analyzing emergency call volume, call durations, and unanswered calls during the first two waves of the COVID-19 pandemic compared to 2019: An observational study of routine data from seven bavarian dispatch centres. Heliyon, 10 (3): e24839. ISSN 24058440