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. 2016 Jan 29;14:5. doi: 10.1186/s12958-016-0141-5

Fig. 1.

Fig. 1

The effect of OptiPrep™ on fresh rat sperm motility. The effect of OptiPrep™ on fresh rat sperm motility was evaluated using total and progressive motility (a) and VAP (b) after 1 h incubation with different concentrations of OptiPrep™ of fresh spermatozoa at 37 °C. n = 6