Flash Card 12 Lead EKG, Paperback by Writer, Ghost, ISBN 1499695799, ISBN-13 9781499695793, Like New Used, Free P&P in the UK The ultimate library of real 12 Lead EKG's. More than 100 EKG's and simple rules of interpretation. Compiled by a field medic with more than 25 years of EMS education. "A must have..." -(CCPP) Critical Care Paramedic Practitioners Association
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