BibTex format
@article{Reza:1998:1998/89415,
author = {Reza, JN and Ritter, MA},
doi = {1998/89415},
journal = {Dev Immunol},
pages = {161--168},
title = {Positive and negative selection in the thymus and the thymic paradox.},
url = {http://dx.doi.org/10.1155/1998/89415},
volume = {5},
year = {1998}
}