Cromie, Ruth L, John L Stanford, Martin J Brown, and David J Price. “A Progress Report of the Project to Develop a Vaccine Against Avian Tuberculosis in Wildfowl”. Wildfowl 40 (November 1, 1989): 146–148. Accessed April 15, 2026. https://tidsskrift.dk/Wildfowl/article/view/154010.