Media type: E-Article Title: Co-introgression of Y-chromosome haplogroups and the sickle cell gene across Africa's Sahel Contributor: Bereir, Rihab E; Hassan, Hisham Y; Salih, Niven A; Underhill, Peter A; Cavalli-Sforza, Luigi L; Hussain, Ayman A; Kwiatkowski, Dominic; Ibrahim, Muntaser E imprint: Springer Science and Business Media LLC, 2007 Published in: European Journal of Human Genetics Language: English DOI: 10.1038/sj.ejhg.5201892 ISSN: 1018-4813; 1476-5438 Keywords: Genetics (clinical) ; Genetics Origination: Footnote: Access State: Open Access