title: A new stereological method for determination of the size of spherical objects in electron microscopy: its application to small lymphocytes of the mouse thymus.
mesh_terms: D000818:Animals; D002467:Cell Nucleus; D003593:Cytoplasm; D008214:Lymphocytes / Q000166:cytology*; D008433:Mathematics; D051379:Mice; D008854:Microscopy, Electron; D008962:Models, Theoretical; D013950:Thymus Gland / Q000166:cytology*