Reducing Bacterial Contamination of Blood Bags with a Double Knot - Kathleen Selleng; Halima Ismail; Christian Kohler; Jan Wesche; Jessica Fuhrmann; Anne Kohler; Claudia Wiede; Vivien Huj; Yazid Ibrahim; Evgeny A. Idelevich; Dalhat Gwarzo; Andreas Greinacher (New England Journal of Medicine, 2026)