S. A. Ali, A. G. Soomro, A. T. Mohammad, M. Jarwar, and A. J. Siddique, “EXPERIENCE OF LAPAROSCOPIC CHOLECYSTECTOMY DURING A STEEP LEARNING CURVE AT A UNIVERSITY HOSPITAL”, J Ayub Med Coll Abbottabad, vol. 24, no. 1, pp. 27–29, Mar. 2012.