Reddy S, Padma M. Comparative study of tubal patency by sonosalpingogram hysterosalpingography and diagnostic laparoscopy. Int J Reprod Contracept Obstet Gynecol [Internet]. 2019 Aug. 26 [cited 2025 Oct. 27];8(9):3435-41. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/7242