[Epizootology of foot-and-mouth disease variant A 22].
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology* / Q000517:prevention & control; D004196:Disease Outbreaks / Q000453:epidemiology; D005536:Foot-and-Mouth Disease / Q000453:epidemiology* / Q000517:prevention & control; D014586:USSR
K épizootologii iashchura varianta A 22.