TY - GEN TI - Retraction Note: Noninvasive assessment of cardiac output using thoracic electrical bioimpedance in hemodynamically stable and unstable patients after cardiac surgery: a comparison with pulmonary artery thermodilution SN - 1432-1238 PY - 2012///0720 N1 - Publication Type: Retraction Notice UR - https://doi.org/10.1007/s00134-011-2219-z ER -