00514nam a2200181Ia 4500003000600000005001700006008004100023020001800064040002500082082001600107100002400123245006100147250001900208260004600227300002600273500001800299650001500317NORSU20240513013004.0240215s9999    xx            000 0 und d  a0-7216-4626-3  aNORSU-DumcNORSU-Dum  a616.128 B41  aHelfant, Richard F. 0aEssentials of Cardiac ArrhythmiascBy Richard H. Helfant  aSecond Edition  bW.B. Saunders Companyc1980aPhiladelphia  axi, 389 pages, 25 cm.  ainclude index  aArrhythmia