1. Assessment of a Tablet Drug Delivery System Incorporating Nonoxynol-9 Coprecipitated With Polyvinylpyrrolidone in Preventing the Onset of Pregnancy in Rabbits 3 
Panayiotis M Zavos, Juan R Correa, Panayota N Zarmakoupis-Zavos 
Fertility and Sterility 
Volume 69, Issue 4, Pages (April 1998)
DOI: /S (98)

2. Fig. 1
Percentage of motile sperm in rabbit seminal specimens exposed to the tablet drug delivery systems containing polyvinylpyrrolidone or polyvinylpyrrolidone/nonoxynol-9 during a 6-hour incubation period (logarithmic scale). PVP = polyvinylpyrrolidone; N-9 = nonoxynol-9.
Fertility and Sterility  , DOI: ( /S (98) )

3. Fig. 2
Progressive motility (grade 0–4) in rabbit seminal specimens exposed to the tablet drug delivery system containing polyvinylpyrrolidone or polyvinylpyrrolidone/nonoxynol-9 during a 6-hour incubation period (logarithmic scale). PVP = polyvinylpyrrolidone; N-9 = nonoxynol-9.
Fertility and Sterility  , DOI: ( /S (98) )