R. Li, et.al., Requirement for a complex array of costimulators in the negative selection of autoreactive thymocytes in vivo., Journal of immunology (Baltimore, Md. : 1950), 2001, 166
R. Li, et.al., Requirement for a complex array of costimulators in the negative selection of autoreactive thymocytes in vivo., Journal of immunology (Baltimore, Md. : 1950), 2001, 166