title: Stem cells: Differentiated cells in a back-up role.
authors.affiliation: Department of Medicine, Division of Pulmonary and Critical Care, Stanford University School of Medicine, Stanford, California 94305-5307, USA.
authors.forename: Tushar J
authors.initials: TJ
authors.lastname: Desai
authors.forename: Mark A
authors.initials: MA
authors.lastname: Krasnow
mesh_terms: D000818:Animals; D054337:Cell Dedifferentiation; D004847:Epithelial Cells / Q000166:cytology*; D005260:Female; D008297:Male; D013234:Stem Cells / Q000166:cytology*