PLE-2132
A 20-year-old man presents with recurrent upper respiratory tract infections. What immunodeficiency does he have if, through further studies, he was shown to have a normal number of B cells but very low to absent plasma cells?
A 20-year-old man presents with recurrent upper respiratory tract infections. What immunodeficiency does he have if, through further studies, he was shown to have a normal number of B cells but very low to absent plasma cells?