000 00294nam a2200133Ia 4500
008 200512s9999 xx 000 0 und d
082 _a616.12
100 _aAehlert
245 0 _aPocket Reference For Ecgs Made Easy
250 _a4
260 _bElsevier
_c2011
440 _v-
650 _aECG
999 _c56137
_d56137