000 00442nam a2200169u 4500
008 080212|||||||||||||||||||||||||||||eng|u
020 _a0083665105
100 1 _aNarula, Onkar S.
245 1 0 _aHis bundle electrocardiography and clinical electrophysiology
_cOnkar S. Narula
250 _as ed.
260 _aPhiladelphia
_bF. A. Davis
_c1975
300 _a457p.
650 4 _aCardiologia
961 w l _t12
999 _c471
_d471