L. . Naznin, T. . Parveen, S. . Giti, A. A. . Khan, R. . Jasmine, and M. R. . Islam, “Serum Prolactin Status in Primary Sub-Fertile Males with Azoospermia and Oligozoospermia”, J Enam Med Col, vol. 11, no. 2, pp. 86–91, May 2021.