title: Letter: T and B cell characteristics in combined immunodeficiency.
mesh_terms: D001402:B-Lymphocytes / Q000276:immunology*; D002675:Child, Preschool; D006801:Humans; D007104:Immune Adherence Reaction; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007153:Immunologic Deficiency Syndromes / Q000276:immunology*; D008213:Lymphocyte Activation; D008297:Male; D008934:Mitogens; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G; D008934:Mitogens