Leyh, R.; Fulton, R.; Stegner, J.; Goodyear, M.; Witte, S.; Taylor, L.; Johnson, B.; Step, D.; Ridpath, J.; Holland, B.
Fetal protection in heifers vaccinated with a modified-live virus vaccine containing bovine viral diarrhea virus subtypes 1a and 2a and exposed during gestation to cattle persistently infected with bovine viral diarrhea virus subtype 1b
Прима-Софт ООД, 2026