Lung, 2.1 Biological and endogenous factors, 2 Aetiology, Animals, Antibodies, Monoclonal, Antigens, Differentiation, T-Lymphocyte, CD4 Antigens, CD8 Antigens, Cryptococcosis, Cryptococcus neoformans, Lung, Lymphocyte Depletion, Mice, Mice, Inbred BALB C, T-Lymphocyte Subsets, T-Lymphocytes