1. Clinica e epizootologia della paramphistomiasi bovina nella Provincia di Milano;Agosti;Clin. Vet.,1980
2. Paramphistomiasis of cattle in Sierra Leone and seasonal fluctuations in its prevalence;Asanji;Bull. Anim. Health Prod. Africa,1989
3. Enquête sur la paramphistomose bovine: recherche des parasites en abattoir;Casset;Rev. Méd. Vét.,1989
4. Epi-Info, 1991. Version 5.01. CDC, Epidemiology Program Office, Atlanta, Georgia, USA.
5. Existence en France de Paramphistomum daubneyi Dinnik, 1962;Graber;Bull. Acad. Vét. Fr.,1980