TY - RPRT TI - Vectorcardiographic deflections obtained with various reference systems in cadavers. AU - G E BURCH AU - J A CRONVICH AU - Z Z ZAO PY - 1961 DO - 10.1016/0002-8703(61)90639-1 UR - https://pubmed.ncbi.nlm.nih.gov/13688901/ ID - 13688901 ER -