Bisay, V. A. P. ., and Sudharmadji. “Pendekatan Diagnosis Dan Imaging Pyonefrosis Et Causa Urolithiasis Dengan Hidronefrosis Grade IV”. Intisari Sains Medis, vol. 15, no. 1, Apr. 2023, pp. 308-13, doi:10.15562/ism.v15i1.1957.