title: Fractionation and characterization of the blast cell population of the mouse thymus by physical cell separation methods and ultrastructural analysis.
mesh_terms: D000818:Animals; D002469:Cell Separation / Q000379:methods*; D002499:Centrifugation, Density Gradient; D005591:Chemical Fractionation; D011232:Chemical Precipitation; D005260:Female; D008214:Lymphocytes; D051379:Mice; D008810:Mice, Inbred C57BL; D008854:Microscopy, Electron; D013950:Thymus Gland / Q000166:cytology* / Q000648:ultrastructure