TY - RPRT TI - Electrocardiographic mirror pattern studies. III. Mirror pattern cancellation in normal and abnormal subjects. AU - E SIMONSON AU - O H SCHMITT AU - R B LEVINE AU - J DAHL PY - 1953 DO - 10.1016/0002-8703(53)90307-x UR - https://pubmed.ncbi.nlm.nih.gov/13040262/ ID - 13040262 ER -