Impact of Bacillus Calmette-Guérin (BCG) vaccination on postoperative mortality in patients with perioperative SARS-CoV-2 infection: research letter] - Tabiri, Stephen; Tapking, Christian; Kneser, Ulrich; Hirche, Christoph; Kowalewski, Karl-Friedrich (BJS open, 2021)
COVIDSurg Collaborative: Stephen Tabiri, K. Tapking, U. Kneser, Hirche C., M. Jung, K.F. Kowalewski [und sehr viele weitere Personen]