TY - GEN AU - CACERES,C A AU - KELSER,G A AU - CALATAYUD,J TI - High-frequency atrial electrical activity SN - 0021-8987 PY - 1998///1101 KW - Electrocardiography KW - Heart Atria KW - Humans N1 - Publication Type: Journal Article UR - https://doi.org/10.1152/jappl.1961.16.2.300 ER -