title: Preservation of ultrastructure in freeze-stored human normal and leukaemic lymphocytes.
mesh_terms: D001793:Blood Preservation; D005615:Freezing; D006801:Humans; D007945:Leukemia, Lymphoid / Q000097:blood*; D008214:Lymphocytes / Q000166:cytology*; D008854:Microscopy, Electron; D008870:Microtubules