TY - GEN AU - Schamroth,L AU - Perlman,M M TI - Periodic variation in A-V conduction time: the 'supernormal' phase of A-V conduction. A study in differential dual A-V pathway conductivity and refractoriness SN - 0022-0736 PY - 1973///0504 KW - Electrocardiography KW - Female KW - Heart Block KW - physiopathology KW - Heart Conduction System KW - Humans KW - Middle Aged KW - Refractory Period, Electrophysiological KW - Synaptic Transmission N1 - Publication Type: Case Reports; Journal Article UR - https://doi.org/10.1016/s0022-0736(73)80029-9 ER -