TY - RPRT TI - Electrophysiological testing of sinus node function: diagnostic and prognostic application-including updated information from sinus node electrograms. AU - J A Reiffel AU - M J Kuehnert PY - 1994 DO - 10.1111/j.1540-8159.1994.tb01397.x UR - https://pubmed.ncbi.nlm.nih.gov/7513860/ ID - 7513860 ER -