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(2006) „Descent of the hyoid in chimpanzees: evolution of face flattening and speech”. Journal of Human Evolution51 (3), 244–254. o. DOI:10.1016/j.jhevol.2006.03.005. PMID16730049.
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Nishimura, T. (2003). „Descent of the larynx in chimpanzee infants”. Proceedings of the National Academy of Sciences100 (12), 6930–6933. o. DOI:10.1073/pnas.1231107100. PMID12775758. PMC165807.
(2006) „Descent of the hyoid in chimpanzees: evolution of face flattening and speech”. Journal of Human Evolution51 (3), 244–254. o. DOI:10.1016/j.jhevol.2006.03.005. PMID16730049.
Nishimura, T. (2003). „Descent of the larynx in chimpanzee infants”. Proceedings of the National Academy of Sciences100 (12), 6930–6933. o. DOI:10.1073/pnas.1231107100. PMID12775758. PMC165807.