| Index | PMID | Date | Reference |
|---|---|---|---|
| 1 | 8901590 | 1996 | Jazin, E. E., Cavelier, L., Eriksson, I., Oreland, L., Gyllensten, U. (1996) Human brain contains high levels of heteroplasmy in the noncoding regions of mitochondrial DNA Proceedings of the National Academy of Sciences of the United States of America . 93 (22): 12382-12387 . |
| 2 | NA | 2014 | van Oven, M., Kayser, M. (2014) . http://www.phylotree.org . Variants appear in tree, sequence(s) available. Phylotree (Build 16): 19 Feb . |