the following investigations were carried out on all subjects : 1 ) detection of total t lymphocytes , helper cells , and suppressor cells , using monoclonal antibodies ( okt3 , okt4 , and okt8 ) , 2 ) study of nonspecific t-lymphocyte blast transformation induced by pha , and 3 ) hla-a , b , and dr antigen determination using the microcytotoxicity technique .
C1155065
t-lymphocyte
C0003320
antigen