1. World Health Organization factsheet No. 317 Updated March 2013. .
2. D.A. Sideris, Clinical Electrocardiography, Saint Louis The Mosby Company, 1977.
3. D.A. Sideris, Primary cardiology, Athens: Scientific Editions Grigorios K Parisianos, 1991 (in Greek).
4. Automatic classification of heartbeats using ECG morphology and heartbeat interval features;de Chazal;IEEE Trans. Biomed. Eng.,2004
5. Application of artificial neural networks for ECG signal detection and classification;Hu;J. Electrocardiol.,1993