in all patients severe immunodeficiency evaluated either as leukopenia ( wbc less than 4000/mm3 ) or lymphocytopenia ( lymphocytes less than 1500/mm3 ) or cd3 and cd2 cell reduction , or imbalance of helper/suppressor ( h/s ) ratio have been documented before starting thymic therapy .
C0021051
immunodeficiency
C0024312
lymphocytopenia