1. Using videotaped specimens to test quality control in a computer-assisted semen analysis system 
William R. Boone, Ph.D., Jeffrey M. Jones, Ph.D., Sander S. Shapiro, M.D. 
Fertility and Sterility 
Volume 73, Issue 3, Pages (March 2000)
DOI: /S (99)

2. FIGURE 1
Sperm parameters analyzed three times by the same operator, who used a computer-assisted semen analyzer.
Boone. Semen analysis. Fertil Steril 2000.
Fertility and Sterility  , DOI: ( /S (99) )

3. FIGURE 2
Sperm parameters analyzed by five laboratories, each using its own computer-assisted semen analyzer but with similar parameter settings.
Boone. Semen analysis. Fertil Steril 2000.
Fertility and Sterility  , DOI: ( /S (99) )