Dipeptidylpeptidase (DPP)-4 inhibitor therapy increases circulating levels of anti-inflammatory soluble frizzle receptor protein (sFRP)-5 which is decreased in severe COVID-19 dise... oleh Juliane Brandes, Isabelle Zobel, Nathalie Rohmann, Kristina Schlicht, Corinna Geisler, Katharina Hartmann, Kathrin Türk, Witigo von Schönfels, Jan Beckmann, Florian Tran, Matthias Laudes