Comparison of Clomiphene Citrate Alone and Clomiphene Plus Sildenafil Citrate to Improve Ovulation Induction in Patients with Unexplained Subfertility . mfm [Internet]. 2023 Sep. 4 [cited 2026 May 23];34(8). Available from: https://medicalforummonthly.com/index.php/mfm/article/view/4447