Two of the genes defective in the five complementation groups identified in the class II-negative bare lymphocyte syndrome or corresponding laboratory mutants have been cloned .
two of the genes defective in the five complementation groups identified in the class ii-negative bare lymphocyte syndrome or corresponding laboratory mutants have been cloned .
O O O O O O O O O O O O O B-other_name I-other_name I-other_name I-other_name I-other_name O O O O O O O O