1. Vaginal Ultrasound Probe Cover Leakage: Implications for Patient Care
Amin A Milki, Jeffrey D Fisch 
Fertility and Sterility 
Volume 69, Issue 3, Pages (March 1998)
DOI: /S (97)

2. Fig. 1
Distance of perforations from the condom tip following 840 consecutive ultrasound examinations. The latex condoms used as vaginal probe sheaths were filled with water and examined for leaks. The positions of the leaks were noted, and the distance to the tip of the emptied, nonstretched condom was recorded.
Fertility and Sterility  , DOI: ( /S (97) )