000 004550a00a22001930004500
020 _a0-683-05573-9
245 _aPractical electrocardiography
250 _a6th
100 _aMarriott, Henry JL
260 _bBaltimore:Williams & Wilkins
260 _c1977
300 _a333pgs
082 _a616.12-073.97 M16
306 _aCardiology
306 _aElectrocardiography
760 _bNo.5, Cardiology cupboard
015 _a001775
887 _a50/=
999 _c423
_d423