TY - RPRT TI - Pacemaker upgrade for recurrent pacemaker syndrome using a redundant contralateral electrode in a patient with bilateral venous stenoses. AU - N Sulke AU - K Tan AU - J Bostock PY - 1996 DO - 10.1111/j.1540-8159.1996.tb03345.x UR - https://pubmed.ncbi.nlm.nih.gov/8657604/ ID - 8657604 ER -