a surface-marker assay combining immunofluorescence with anti-human immunoglobulin or anti-human brain serum ( ahbs ) and the formation of rosettes with untreated ( e ) , antibody-sensitized ( ea ) and complement-coated ( eac ) sheep erythrocytes was used to study mononuclear cell suspensions of human lymph nodes .
C0229671
serum
C0009498
complement