; U6 W) o i2 L }title: Leptin-Receptor-Expressing Mesenchymal Stromal Cells Represent the Main Source of Bone Formed by Adult Bone Marrow 9 I/ D* r3 P+ {! |* R0 @ - y9 L: o$ a- V3 S4 L% J* l# V% c 1 j* T1 Z5 ^, b0 j[url]http://www.cell.com/cell-stem-cell/abstract/S1934-5909(14)00256-2