Y-chromosome lineages trace diffusion of people and languages in southwestern Asia.

Quintana-Murci, L., Krausz C., Zerjal, T., Sayar, SH., Hammer, MF., Mehdi, S.Q., Ayub, Q., Qamar, R., Mohyuddin, A., Radhakrishna, U., Jobling, MA., Tyler-Smith, C. and McElreavey, M.  

American Journal of Human Genetics, 68, 537-542 (2001).