Three-dimensional hysterosalpingo-contrast sonography (3D-HyCoSy) as an outpatient procedure to assess infertile women: a pilot study. - Kiyokawa,K.; Masuda,H.; Fuyuki,T.; Koseki,M.; Uchida,N.; Fukuda,T.; Amemiya,K.; Shouka,K.; Suzuki,K. (Ultrasound Obstet Gynaecol, 2000)