[Significant contribution].
D000818:Animals; D005537:Aphthovirus / Q000276:immunology; D005536:Foot-and-Mouth Disease / Q000517:prevention & control*; D014586:USSR; D014611:Vaccination / Q000662:veterinary; D014765:Viral Vaccines / Q000008:administration & dosage
D014765:Viral Vaccines
Znachitel'nyĭ vklad.