Islam, M. S., M. W. Islam, M. N. Hooda, A. K. M. K. Alam, G. M. Chowdhury, and I. A. Shameem. “The Comparison and Efficacy of Nifedipine and Tamsulosin for the Management of Lower Ureteric Stones”. Bangladesh Journal of Urology, vol. 13, no. 1, July 2012, pp. 5-9, https://banglajol.info/index.php/BJU/article/view/11072.