title: Letter: "Hairy" B cells and "smooth" T cells.
mesh_terms: D001402:B-Lymphocytes / Q000166:cytology*; D002478:Cells, Cultured; D006801:Humans; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning; D013601:T-Lymphocytes / Q000166:cytology*