title: [Population of double cell and null cell by the method of simultaneous observation of T and B surface markers].
mesh_terms: D001402:B-Lymphocytes / Q000276:immunology*; D002478:Cells, Cultured; D005455:Fluorescent Antibody Technique; D006801:Humans; D007958:Leukocyte Count / Q000379:methods*; D008214:Lymphocytes / Q000166:cytology; D008215:Lymphocytes, Null; D011947:Receptors, Antigen, B-Cell / Q000032:analysis*; D011951:Receptors, Complement / Q000032:analysis; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D011947:Receptors, Antigen, B-Cell; D011951:Receptors, Complement