citation
Métras R, Stevens K, Abdu P, Costard S, Okike I, Grace D, Randolph T and Pfeiffer D. 2009. Mapping the risk of highly pathogenic avian influenza occurrence in Nigeria: A data-driven approach. Paper presented at the 12th conference of the International Society for Veterinary Epidemiology and Economics, Durban, South Africa, 10-14 August 2009. Nairobi: ILRI.