- Two patients with cryptococcal meningitis and idiopathic CD4 lymphopenia: defective cytokine production and reversal by recombinant interferon- gamma therapy. Netea, M.G., Brouwer, A.E., Hoogendoorn, E.H., Van der Meer, J.W., Koolen, M., Verweij, P.E., Kullberg, B.J. Clin. Infect. Dis. (2004)