TY - RPRT TI - Ibutilide in persistent atrial fibrillation refractory to conventional cardioversion methods. AU - Barbara Naegeli AU - Edwin Straumann AU - Osmund Bertel PY - 2005 DO - 10.1016/j.ijcard.2004.01.020 UR - https://pubmed.ncbi.nlm.nih.gov/15749188/ ID - 15749188 ER -