@misc{indiciae2615bbfbd2ba, title = {A differential-avidity model for T-cell selection.}, author = {P G Ashton-Rickardt and S Tonegawa}, year = {1994}, doi = {10.1016/0167-5699(94)90174-0}, url = {https://pubmed.ncbi.nlm.nih.gov/7916949/}, note = {Source identifier: 7916949} }