Treatment with proton pump inhibitors increases the risk of secondary infections and ARDS in hospitalized patients with COVID‐19: coincidence or underestimated risk factor?. (1st July 2020) - Luxenburger, H.; Sturm, L.; Biever, P.; Rieg, S.; Duerschmied, D.; Schultheiss, M.; Neumann‐Haefelin, C.; Thimme, R.; Bettinger, D.