Heim, Markus, Tobias Lahmer, Sebastian Rasch, Silja Kriescher, Wiebke Berg-Johnson, Kristina Fuest, Barbara Kapfer, et al. “Rapid Clinical Evolution for COVID-19 Translates into Early Hospital Admission and Unfavourable Outcome: A Preliminary Report ”. Multidisciplinary Respiratory Medicine 16 (April 2, 2021). Accessed December 21, 2024. https://mrmjournal.org/index.php/mrm/article/view/744.