[Ultrasonic characterization of cardiac tissue: preliminary study using digital analysis of gray distribution levels].
D003201:Computers; D003720:Densitometry / Q000295:instrumentation; D004452:Echocardiography / Q000295:instrumentation; D006801:Humans; D009206:Myocardium / Q000473:pathology*; D010496:Pericardium / Q000473:pathology
Caracterización ultrasónica de los tejidos cardiacos: estudio preliminar mediante análisis digital del nivel de distribución de grises.