(en) A. Olivieri, A. Achilli, M. Pala, V. Battaglia, S. Fornarino, N. Al-Zahery, R. Scozzari, F. Cruciani, D. M. Behar, J.-M. Dugoujon, C. Coudray, A. S. Santachiara-Benerecetti, O. Semino, H.-J. Bandelt et A. Torroni, « The mtDNA Legacy of the Levantine Early Upper Palaeolithic in Africa », Science, (PMID17170302, DOI10.1126/science.1135566, Bibcode2006Sci...314.1767O) : « The scenario of a back-migration into Africa is supported by another feature of the mtDNA phylogeny. Haplogroup M's Eurasian sister clade, haplogroup N, which has a very similar age to M and no indication of an African origin », p. 1767–70
(en) A. Olivieri, A. Achilli, M. Pala, V. Battaglia, S. Fornarino, N. Al-Zahery, R. Scozzari, F. Cruciani, D. M. Behar, J.-M. Dugoujon, C. Coudray, A. S. Santachiara-Benerecetti, O. Semino, H.-J. Bandelt et A. Torroni, « The mtDNA Legacy of the Levantine Early Upper Palaeolithic in Africa », Science, (PMID17170302, DOI10.1126/science.1135566, Bibcode2006Sci...314.1767O) : « The scenario of a back-migration into Africa is supported by another feature of the mtDNA phylogeny. Haplogroup M's Eurasian sister clade, haplogroup N, which has a very similar age to M and no indication of an African origin », p. 1767–70
(en) A. Olivieri, A. Achilli, M. Pala, V. Battaglia, S. Fornarino, N. Al-Zahery, R. Scozzari, F. Cruciani, D. M. Behar, J.-M. Dugoujon, C. Coudray, A. S. Santachiara-Benerecetti, O. Semino, H.-J. Bandelt et A. Torroni, « The mtDNA Legacy of the Levantine Early Upper Palaeolithic in Africa », Science, (PMID17170302, DOI10.1126/science.1135566, Bibcode2006Sci...314.1767O) : « The scenario of a back-migration into Africa is supported by another feature of the mtDNA phylogeny. Haplogroup M's Eurasian sister clade, haplogroup N, which has a very similar age to M and no indication of an African origin », p. 1767–70