Sefta Jaka, Kemas Muhammad Dahlan, Jaka Fahmi, and Erial Bahar, “Accuracy of Spiral Laminar Flow, Spectral Broadening and Murmur / Thrill as Av-Shunt Maturuty Predictors in Dr. Mohammad Hoesin General Hospital Palembang”, sjs, vol. 3, no. 2, pp. 135-147, Nov. 2020.