Kunstyr, Jan, Andrew Klein, Jaroslav Lindner, David Rubes, Jan Blaha, Pavel Jansa, Michal Lips, David Ambroz, and Martin Stritesky. 2008. “Use of High-Thoracic Epidural Analgesia in Pulmonary Endarterectomy: A Randomized Feasibility Study”. The Heart Surgery Forum 11 (4):E202-E208. https://doi.org/10.1532/HSF98.20081036.