%0 Journal Article %T Hematopoietic Microenvironment in the Fetal Liver: Roles of Different Cell Populations %A Olga V. Payushina %J ISRN Cell Biology %D 2012 %I Hindawi Publishing Corporation %R 10.5402/2012/979480 %U http://dx.doi.org/10.5402/2012/979480