title: Letter: B lymphocytes in the thymus of patients with myasthenia gravis.
mesh_terms: D001402:B-Lymphocytes / Q000276:immunology*; D006801:Humans; D009157:Myasthenia Gravis / Q000276:immunology* / Q000473:pathology; D013950:Thymus Gland / Q000276:immunology* / Q000473:pathology