title: Decreased T cell ecto-5'-nucleotidase activity in agammaglobulinemia patients is not due to altered proportions of helper and suppressor T cells as defined by the monoclonal antibodies OKT4 and OKT8.
mesh_terms: D015720:5'-Nucleotidase; D000361:Agammaglobulinemia / Q000201:enzymology* / Q000276:immunology; D000911:Antibodies, Monoclonal; D002469:Cell Separation; D006801:Humans; D007153:Immunologic Deficiency Syndromes / Q000201:enzymology / Q000276:immunology; D009708:Nucleotidases / Q000172:deficiency*; D012016:Reference Values; D013601:T-Lymphocytes / Q000201:enzymology*; D006377:T-Lymphocytes, Helper-Inducer / Q000276:immunology*; D050378:T-Lymphocytes, Regulatory / Q000276:immunology*
chemical_list: D000911:Antibodies, Monoclonal; D009708:Nucleotidases; D015720:5'-Nucleotidase