000 00286nam a2200121Ia 4500
008 220201s9999 xx 000 0 eng d
082 _bCHU
100 _aChung Edward K.
245 0 _aElectro cardiography
260 _aLondon
_bHarper & Row Publication
300 _a595
942 _2ddc
999 _c21660
_d21660