Stem cell plasticity: molding the future of tissue development and repairMichael W. Long: V7 P6 P# v' l( Q5 P* S6 s+ M
4 u& Y, |& ~( x7 V, D, {Department of Pediatrics and The Comprehensive Cancer Center, University of Michigan, Ann Arbor, Michigan, 481091 j ` k% \( h( L1 W! G( L