Krishnamoorthy G, Perumal A, Boovaragasamy C, Gnanasabai G. Comparative evaluation of hysterosalpingo contrast sonography with laparoscopy for determination of tubal patency in infertility. Int J Reprod Contracept Obstet Gynecol [Internet]. 2020 Apr. 28 [cited 2025 Oct. 12];9(5):2009-13. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/8242