We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleThe Great Wall of China: a physical barrier to gene flow?AuthorsSu H; Qu LJ; He K; Zhang Z; Wang J; Chen Z; Gu HPublicationHeredity, 2003, Vol 90, Issue 3, p212ISSN0018-067xPublication typearticleDOI10.1038/sj.hdy.6800237