title: Identification and relative concentration of B and T lymphocytes in human chronic periapical lesions.
mesh_terms: D001402:B-Lymphocytes / Q000145:classification / Q000166:cytology*; D005455:Fluorescent Antibody Technique; D006801:Humans; D007958:Leukocyte Count; D010483:Periapical Diseases / Q000276:immunology* / Q000473:pathology; D013601:T-Lymphocytes / Q000145:classification / Q000166:cytology*