t-lymphocyte specific antigen , spontaneous rosette formation with sheep erythrocytes , phytohaemagglutinin response of the lymphocytes and delayed hypersensivity skin reaction were used to assess t-lymphocytes , while complement receptor , surface immunoglobulin , serum immunoglobulin levels and antibody response to antigens were estimated as parameters of b-lymphocytes .
C0034789
surface immunoglobulin
C0003241
antibody