* Portas, M., Boinas, F.S., Oliveira, J., Sousa, E., and Rawlings, P. (1999). ‘African Horse Sickness in Portugal: A successful eradication programme’. ''Epidemiology and Infection 123''(2). pp 337-346. | * Portas, M., Boinas, F.S., Oliveira, J., Sousa, E., and Rawlings, P. (1999). ‘African Horse Sickness in Portugal: A successful eradication programme’. ''Epidemiology and Infection 123''(2). pp 337-346. |