The epidemiology and ecology of infectious diseases of village chickens in Ethiopia and the role of co-infection in infection risk - Bettridge, Judy M.; Lynch, Stacey E.; Kaiser, P.; Christley, Robert M.; Hanotte, Olivier H.; Gutu, Z.; Taye, T.; Amare, A.; Garikipati, S.; Malese, K.; Dessie, Tadelle (International Livestock Research Institute, 2011)