Ntinopoulos, V., Haeussler, A., Papadopoulos, N., Odavic, D., Fodor, P., Brugnetti, D., Rings, L., Dushaj, S. and Dzemali, O. (2020) “Active clearance of chest tubes after cardiac surgery: a propensity score matched analysis”, Swiss Medical Weekly, 150(5153), p. w20394. doi: 10.4414/smw.2020.20394.