Ahmed Abdulameer Alwan; Hussain T Ajeel; Ahmed Hamza Abd. A Comparative Study for the Effectiveness of Tamsulosin Alone Versus Tamsulosin Plus Tadalafil Combination As an Expulsive Medical Treatment in the Management of Lower Ureteric Calculous in Al-Diwaniyah Teaching Hospital. Int. J. Res. Pharm. Sci. 2019, 10, 1551-1555.