TY - RPRT TI - A modified method for examining the cardiac conduction system. AU - Y Song AU - J Zhu AU - H Laaksonen AU - P Saukko PY - 1997 DO - 10.1016/s0379-0738(97)00047-9 UR - https://pubmed.ncbi.nlm.nih.gov/9153790/ ID - 9153790 ER -