One-year mortality prognosis in heart failure: A neural network approach based on echocardiographic data von Ortiz, Juarez, Ghefter, Claudia G.M., Silva, Carlos E.S., Sabbatini, Renato M.E.

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Clinical impact of transesophageal echocardiography in patients with stroke without clinical evidence of cardiovascular sources of emboli von Tatani, S B, Fukujima, M M, Lima, J A, Ferreira, L D, Ghefter, C G, Prado, G F, Babayan, Z, Azevedo, L A

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Postural changes during echocardiography. Is this manoeuver necessary in the differential diagnosis of fixed and free floating thrombus? von Tatani, S B, Ghefter, C G, Silva, C E, Gil, M A, Ortiz, J

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Biplane transesophageal echocardiography. Experience with 130 outpatients von Matsumoto, A Y, Ortiz, M J, Ghefter, C G, Moisés, V A, Silva, C E, Queiroz Filho, D B, Germeck, M R, Farias, S T, Marotta, R H, Barretto, A C

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Use of artificial neural networks in survival evaluation in heart failure von Ortiz, J, Sabbatini, R M, Ghefter, C G, Silva, C E

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