@misc{indiciaeffd456fa22a2, title = {Thymic stromal cells and positive selection.}, author = {A P Chidgey and R L Boyd}, doi = {10.1111/j.1600-0463.2001.apm090701.x}, url = {https://pubmed.ncbi.nlm.nih.gov/11552945/}, note = {Source identifier: 11552945} }