TY - RPRT TI - A computer model of the electrogram: what causes fractionation? AU - M D Lesh AU - J F Spear AU - M B Simson PY - 1988 DO - 10.1016/0022-0736(88)90061-1 UR - https://pubmed.ncbi.nlm.nih.gov/3216179/ ID - 3216179 ER -