Martini, M A study of the progress of the Aujeszky's disease control programme in Italy using survival analysis. [electronic resource] - Journal of veterinary medicine. B, Infectious diseases and veterinary public health May 2003 - 191-5 p. digital Publication Type: Journal Article ISSN: 0931-1793 Standard No.: 10.1046/j.1439-0450.2003.00656.x doi Subjects--Topical Terms: AnimalsItaly--epidemiologyProportional Hazards ModelsPseudorabies--mortalityRisk FactorsSurvival AnalysisSwineSwine Diseases--etiologyVaccination--veterinary