Stem Cell Location Throughout the Human Gastrointestinal Tract as Defined by LGR5 mRNA In Situ Hybridisation - McDonald, S; Jeffery, R; Humphries, A; Leedham, S; Graham, T; Segditsas, S; Lewis, A; Nicholson, A; Bamba, S; Rodriguez-Justo, M; Novelli, M; Jankowski, J; et al. (2010)