TY - RPRT TI - Placement of a temporary pacemaker electrode through a persistent left superior vena cava. AU - T A Cron AU - P T Buser AU - S Osswald PY - 1998 DO - 10.1007/s001340050630 UR - https://pubmed.ncbi.nlm.nih.gov/9681791/ ID - 9681791 ER -