title: Letter: Normarski optics and T and B markers.
mesh_terms: D001402:B-Lymphocytes / Q000276:immunology / Q000473:pathology; D003584:Cytological Techniques; D006801:Humans; D007104:Immune Adherence Reaction; D007136:Immunoglobulins / Q000302:isolation & purification; D007945:Leukemia, Lymphoid / Q000097:blood* / Q000276:immunology; D008214:Lymphocytes / Q000473:pathology*; D008857:Microscopy, Interference; D013601:T-Lymphocytes / Q000276:immunology / Q000473:pathology
chemical_list: D007136:Immunoglobulins