Maciel CD, Monteiro LR da F. Measurements in time-frequency diagrams employed in the characterization of state transitions using scattered ultrasound signals during blood clotting: a numerical analysis. Semin., Exact Tech. Scienc. [Internet]. 2004 Dec. 15 [cited 2024 May 8];21(4):35-4. Available from: https://ojs.uel.br/revistas/uel/index.php/semexatas/article/view/3010