QADIR, I.; ALI, M.; SUBHANI, G. M.; JAFARI, A. A.; AKMAL, M.; MUNIR, M. I.; JAVED, S. H. Percutaneous Nephrolithotomy (PCNL): Comparison of Tubeless versus Conventional Method in terms of Hospital Stay and Duration of Operation. Annals of Punjab Medical College, v. 7, n. 2, p. 154-160, 31 Oct. 2013.