title: [Bone marrow lymphocytes--some morphological problems].
mesh_terms: D000367:Age Factors; D000818:Animals; D001402:B-Lymphocytes / Q000648:ultrastructure*; D001853:Bone Marrow / Q000648:ultrastructure*; D001854:Bone Marrow Cells; D005260:Female; D008297:Male; D051379:Mice; D012737:Sex Factors