Effect of surfactants, at 1 and 24 h post-exposure, on human sperm viability.

<p>Cell viability was quantified as described in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0002913#s4" target="_blank">Material and Methods</a> section and the results (average±SD) are shown in terms of % of control. ^*, p<0.05; ^**p<0.01; ^***p<0.001.