1. Ahmed, J.S., 2002. The role of cytokines in immunity and immunopathogenesis of pirolasmoses. Parasitology Research, 88, 48–50.
2. Ahmed, J.S. and Mehlhorn, H., 1999. Review: the cellular basis of the immunity to and immunopathogenesis of tropical theileriosis. Parasitology Research, 85, 539–549.
3. Altug, N. and Agaoglu, Z.T., 2007. Investigation on the relationship between lymphocyte subsets, immunoglobulin levels and adenosine deaminase activities in immunosuppressive dose methylprednisolone treated dogs. Bulletin Veterinary Institute Pulawy, 51, 109–115.
4. Altuğ, N., Yüksek, N., Ağaoğlu, Z.T., Özkan, C., 2007. Decreased serum adenosine deaminase activities in van cats with feline retrovirus infections. Medycyna Weterynaryjna, 63, 184–186.
5. Baganha, M.F., Pêgo, A., Lima, M.A., Gaspar, E.V., Cordeiro, A.R., 1990. Serum and pleural adenosine deaminase: correlation with lymphocytic populations. Chest, 97, 605–610.