| Index | PMID | Date | Reference |
|---|---|---|---|
| 1 | 7611282 | 1995 | Chen, Y.S., Torroni, A., Excoffier, L., Santachiara-Benerecetti, A.S., Wallace, D.C. (1995) Analysis of mtDNA variation in African populations reveals the most ancient of all human continent-specific haplogroups. American Journal of Human Genetics . 57 (1): 133-149 . |