Rulaniya, S.K., Swain, S., Neniwal, V.K., Bhalothia, S., Tonge, K., Agarwal, P., Khan, Z.A. and Hota, D. 2021. Ultrasound guided direct puncture percutaneous nephrostomy: a single tertiary centre observational study. International Surgery Journal. 8, 12 (Nov. 2021), 3548–3552. DOI:https://doi.org/10.18203/2349-2902.isj20214743.