Amerindian mitochondrial DNAs have rare Asian mutations at high frequencies, suggesting they derived from four primary maternal lineages

gan Schurr, Theodore G., Ballinger, Scott W., Gan, Yik Yuen, Hodge, Judith A., Merriwether, David Andrew, Lawrence, Dale N., Knowler, William C., Weiss, Kenneth M., Wallace, Douglas C.
Cyhoeddwyd 1990