000 00312cam a2200133 4500
001 B456
008 051024t xxu||||| |||| 00| 0 eng d
100 _aDavies, John
245 0 _aEchocardiography
260 _bMedical Education Services
650 _aCardiology
_9971
650 _aHeart
_93003
942 _cBKSTD
999 _c41595
_d41595