TY - GEN AU - FRANK,E AU - SEIDEN,G E TI - Comparison of limb and precordial vectorcardiographic systems SN - 0009-7322 PY - 2002///0501 KW - Extremities KW - Vectorcardiography N1 - Publication Type: Journal Article UR - https://doi.org/10.1161/01.cir.14.1.83 ER -