Karami, H. et al. 2016. Comparing Monotherapy with Tadalafil or Tamsulosin and Their Combination Therapy in Men with Benign Prostatic Hyperplasia: A Randomized Clinical Trial. Urology Journal. 13, 6 (Dec. 2016), 2920–2926. DOI:https://doi.org/10.22037/uj.v13i6.3666.