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. 2020 Nov 9;58(6):1216–1221. doi: 10.1093/ejcts/ezaa356

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© The Author(s) 2020. Published by Oxford University Press on behalf of the European Association for Cardio-Thoracic Surgery. All rights reserved.

This article is made available via the PMC Open Access Subset for unrestricted re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections.

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Figure 1: — We used collection and underwater seal bottles in all cases. (A) The high-efficiency particulate air filter was mounted on the tip of the drainage bottle using an adapter. (B) The system used on the patient. The arrow indicates the underwater seal bottle only filled with 200 cc (80%) alcohol instead of water alone. The asterisk indicates the part of the system that connects to the chest tube.