Chadic languages and Y haplogroups.
Lancaster
Andrew
A
D000349:Africa; D001208:Asia; D002596:Chad; D041322:Chromosomes, Human, Y / Q000235:genetics*; D004641:Emigration and Immigration; D005787:Gene Frequency; D005843:Geography; D006239:Haplotypes / Q000235:genetics*; D006801:Humans; D007802:Language; D008297:Male; D013997:Time Factors