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\bibitem{833} Maya Dimitrova, Ch. Roumenin, Siya Lozanova, David Rotger, \& Petia Radeva. (2007). An Interface System Based on Multimodal Principle for Cardiological Diagnosis Assistance. In \textit{International Conference On Computer Systems And Technologies} (Vol. IIIB.4, pp. 1--6).

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