1. Van Schoubroeck D, Van den Bosch T, Van Tornout K, D’Hooge T, Timmerman D. Spontaneous conception after hysterosalpingo-foam.
2. Emanuel MH, Exalto N. Hysterosalpingo-foam sonography (HyFoSy): a new technique to visualize tubal patency. Ultrasound Obstet Gynecol. 2011; 37: 497-499
3. Emanuel MH, van Vliet M, Weber M, Exalto N. First experiences with hysterosalpingo-foam sonography (HyFoSy) for office tubal patency testing. Human Reprod 2012; 27: 114-117
4. Van Schoubroeck D, Van den Bosch T, Meuleman Ch, Tomassetti C, D’Hooghe Th, Timmerman D. The use of a new gel foam for the evaluation of tubal patency. Gynecol Obstet Invest 2013; 75: 152-156 Tubal Patency testing
5. Lim CP, Hasafa Z, Bhattacharya S, Mahesahwari A. Should a hysterosalpingogram be a first-line investigation to diagnose female tubal subfertility in the modern subfertility workup? Human Reprod 2011; 26: 967-971
6. Luciano DE, Exacoustos C, Luciano AA. Contrast Ultrasonography for tubal patency. J Min Inv Gynecol 2014; 21:994-998
7. Rajesh H, Lim SL, Yu SL. Hysterosalpingo-foam sonography: patient selection and perspectives. Int J Womens health. 2016; 9: 23-32
8. Piccioni MG, Riganelli L, Filippi V, Fuggetta E, Colagiovanni V, Imperiale L, Caccetta J, Panici PB, Porpora MG. Sonohysterography: comparison of Foam and Saline. J Clin Ultrasound. 2017; 45: 67-71