TY - GEN AU - Timmermans,C AU - Rodriguez,L M AU - Smeets,J L TI - Cycle length and QRS alternation during a narrow QRS tachycardia SN - 1045-3873 PY - 1997///0918 KW - Adult KW - Electrocardiography KW - Humans KW - Male KW - Tachycardia KW - physiopathology N1 - Publication Type: Case Reports; Journal Article UR - https://doi.org/10.1111/j.1540-8167.1997.tb00858.x ER -