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Anderson, M. J.; Dixson, A. F. (2002). «Sperm competition: motility and the midpiece in primates». Nature. 416 (6880): 496. PMID11932733. doi:10.1038/416496a
Dixson, A. L.; Anderson, M. J. (2002). «Sexual selection, seminal coagulation and copulatory plug formation in primates». Folia Primatol. 73 (2–3): 63–69. PMID12207054. doi:10.1159/000064784