Volpi, E A new technique to test tubal patency under transvaginal sonographic control. [electronic resource] - Acta obstetricia et gynecologica Scandinavica Nov 1994 - 797-801 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0001-6349 Standard No.: 10.3109/00016349409072508 doi Subjects--Topical Terms: AdultFallopian Tube Patency Tests--instrumentationFallopian Tubes--diagnostic imagingFemaleHumansHysterosalpingographyLaparoscopyUltrasonography, Doppler, ColorVagina