Daniel S, Bens A, Ramachandran L. A study of sonosalpingogram compared to laparoscopic chromopertubation in the evaluation of tubal patency. Int J Reprod Contracept Obstet Gynecol [Internet]. 2016 Dec. 7 [cited 2025 Oct. 2];5(12):4453-60. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/71