1. Modified hysterosalpingography during infertility work-up: use of contrast medium and saline to investigate mechanical factors 
Josef Shalev, M.D., Haim Krissi, M.D., Joseph Blankstein, M.D., Israel Meizner, M.D., Zion Ben-Rafael, Dov Dicker, M.D. 
Fertility and Sterility 
Volume 74, Issue 2, Pages (August 2000)
DOI: /S (00)

2. Figure 1
Hysterosalpingogram performed with contrast medium and saline. The arrow indicates saline in the uterine cavity.
Shalev. Modified HSG for infertility. Fertil Steril 2000.
Fertility and Sterility  , DOI: ( /S (00) )