title: [Determining the keeping quality of concentrated foot-and-mouth disease vaccine by measurement of PD 50 in cattle].
mesh_terms: D000818:Animals; D005537:Aphthovirus / Q000276:immunology*; D002417:Cattle; D006863:Hydrogen-Ion Concentration; D011309:Preservation, Biological; D014765:Viral Vaccines
chemical_list: D014765:Viral Vaccines
vernacular_title: Haltbarkeitsstudien über die konzentrierte MKS-Vakzine durch Bestimmung der Schutzdosis 50 an Rindern.