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Simmons, Leigh W., Amy Denholm, Chantelle Jackson, Esther Levy, a Ewa Madon. Male Crickets Adjust Ejaculate Quality With Both Risk and Intensity of Sperm Competition. The Royal Society, 2007.

Simmons, Leigh W., et al. Male Crickets Adjust Ejaculate Quality With Both Risk and Intensity of Sperm Competition. The Royal Society, 2007.