Thevathasan, C.Jayawardana, G.W.L.2014-11-122014-11-121997Tropical Agricultural Research, 9:p.372-377https://dl.nsf.gov.lk/handle/1/12290Veterinary ScienceChickenInfectious bursal diseaseAnimal diseasesIdentificationStudies on infectious bursal disease virus isolated from field outbreaksA