Oktamuliani, Sri, et al. “Optimizing Doppler Ultrasound Parameters: The Study of Insonation Angle, PRF, and Dynamic Range in Blood Flow Assessment”. JURNAL ILMU FISIKA | UNIVERSITAS ANDALAS, vol. 17, no. 1, Feb. 2025, pp. 53-62, doi:10.25077/jif.17.1.53-62.2025.