1. Sports despite masks: no negative effects of FFP2 face masks on cardiopulmonary exercise capacity in children Author Weigelt, Annika, Schöffl, Isabelle, Rottermann, Kathrin, Wällisch, Wolfgang, Müller, Sarina Katrin, Dittrich, Sven, and Hübner, Matthias Jens Published 2024 Full Text View/download PDF