TY - GEN AU - Zweerink,A AU - Leusveld,E AU - Allaart,C P AU - Kemme,M J B TI - Unexpected rhythm regularity in a patient with atrial fibrillation and a changing frontal plane axis over time SN - 1568-5888 PY - 2017/// PB - Netherlands heart journal : monthly journal of the Netherlands Society of Cardiology and the Netherlands Heart Foundation N1 - Publication Type: Journal Article UR - https://doi.org/10.1007/s12471-016-0914-7 ER -