PT - JOURNAL ARTICLE AU - Qiu, Jane TI - Who are the Tibetans? AID - 10.1126/science.347.6223.708 DP - 2015 Feb 13 TA - Science PG - 708--711 VI - 347 IP - 6223 4099 - http://science.sciencemag.org/content/347/6223/708.short 4100 - http://science.sciencemag.org/content/347/6223/708.full SO - Science2015 Feb 13; 347