Comparison of Clomiphene Citrate Alone and Clomiphene Plus Sildenafil Citrate to Improve Ovulation Induction in Patients with Unexplained Subfertility . mfm [Internet]. 2023 Aug. 30 [cited 2026 Jan. 31];34(8). Available from: https://medicalforummonthly.com/index.php/mfm/article/view/4447