to compare and contrast the human t cell antigen receptor ( tcr ) alpha and beta chain messages found in human thymocytes to those previously isolated from human peripheral blood t lymphocytes and other nonthymic sources , 13 tcr alpha and 13 tcr beta cdna were isolated from a human thymocyte library and the nucleotide sequences were determined .
C0039194
t lymphocytes
C0034790
tcr