TY - RPRT TI - Phase response curve based model of the SA node: simulation by two-dimensional array of pacemaker cells with randomly distributed cycle lengths. AU - S Abramovich-Sivan AU - S Akselrod PY - 1999 DO - 10.1007/bf02513334 UR - https://pubmed.ncbi.nlm.nih.gov/10696706/ ID - 10696706 ER -