| Index | PMID | Date | Reference |
|---|---|---|---|
| 1 | 18691441 | 2008 | Kumar, S., Padmanabham, P. B., Ravuri, R. R., Uttaravalli, K., Koneru, P., Mukherjee, P. A., Das, B., Kotal, M., Xaviour, D., Saheb, S. Y., Rao, V. R. (2008) The earliest settlers' antiquity and evolutionary history of Indian populations: evidence from M2 mtDNA lineage BMC Evolutionary Biology . 8 (): 230 . |
| 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 . |