The Biology of Cancer Stem Cells 2 S* u& _7 d1 l! E, N' \" {Neethan A. Lobo, Yohei Shimono, Dalong Qian, Michael F. Clarke/ `$ d3 x5 K# R" G$ b, N
Annual Review of Cell and Developmental Biology, November 2007, Vol. 23, Pages 675-699! O/ t8 {; {6 R7 i4 B) j4 x
(doi: 10.1146/annurev.cellbio.22.010305.104154)