00389    a2200133   4500020001800000082001700018100002100035245004500056260004700101300002500148650002300173650003500196650002400231  a9780721630830  a636.089bEDW  aEdwards, N. Joel  aECG manual for the veterinary technician  aPhiladelphiabSaunders companyc1993g1993  axii,191p.billc18cm  aVeterinary science  aVeterinary electrocardiography  aVeterinary medicine