Shaikh, A., Biswas, R., Arif, N., Miah, N. and Zaman, W. 2010. Percutaneous nephrolithotomy through superior calyceal approach - our experience. Pulse. 3, 1 (Nov. 2010), 4–6. DOI:https://doi.org/10.3329/pulse.v3i1.6543.