孔祥智Castillo, M.M.CastilloHeard, P.P.HeardKerbacher, K.K.KerbacherThomas, C. A.C. A.ThomasKung, J. T.J. T.Kung2009-01-222018-07-092009-01-222018-07-091991http://ntur.lib.ntu.edu.tw//handle/246246/109080en-USCytotoxic T Cell Precursors Collaborate in the Absence of Conventional CD4+ Helper T Cells