title: Absence of lymphocyte ecto-5'-nucleotidase in infants with reticuloendotheliosis and immunodeficiency.
mesh_terms: D015720:5'-Nucleotidase; D000917:Antibody Formation; D001402:B-Lymphocytes / Q000201:enzymology*; D006801:Humans; D007111:Immunity, Cellular; D007153:Immunologic Deficiency Syndromes / Q000201:enzymology* / Q000276:immunology; D007223:Infant; D007231:Infant, Newborn; D008206:Lymphatic Diseases / Q000201:enzymology* / Q000276:immunology; D008214:Lymphocytes / Q000276:immunology; D009708:Nucleotidases / Q000097:blood / Q000172:deficiency*; D013601:T-Lymphocytes / Q000201:enzymology*
chemical_list: D009708:Nucleotidases; D015720:5'-Nucleotidase