@misc{indiciaec3e3dd61a0e7, title = {CD69 cell surface expression identifies developing thymocytes which audition for T cell antigen receptor-mediated positive selection.}, author = {I Yamashita and T Nagata and T Tada and T Nakayama}, year = {1993}, doi = {10.1093/intimm/5.9.1139}, url = {https://pubmed.ncbi.nlm.nih.gov/7902130/}, note = {Source identifier: 7902130} }