- Impaired negative selection of T cells in Hodgkin's disease antigen CD30-deficient mice. Amakawa, R., Hakem, A., Kundig, T.M., Matsuyama, T., Simard, J.J., Timms, E., Wakeham, A., Mittruecker, H.W., Griesser, H., Takimoto, H., Schmits, R., Shahinian, A., Ohashi, P., Penninger, J.M., Mak, T.W. Cell (1996)