TY - GEN AU - MacGregor,D A AU - Royster,R L TI - Perfecting the imperfect SN - 0090-3493 PY - 1999///1116 KW - Cardiac Output KW - Cardiac Surgical Procedures KW - Critical Illness KW - Electric Impedance KW - Electrocardiography KW - methods KW - Humans KW - Intensive Care Units KW - Monitoring, Physiologic KW - Oximetry KW - Thermodilution N1 - Publication Type: Comment; Editorial; Review UR - https://doi.org/10.1097/00003246-199910000-00053 ER -