Brucella abortus Ab:PrThr:Pt:Milk:Ord:Aggl.ring test.heat inact
brucella abortus ab:prthr:pt:milk:ord:aggl.ring test.heat inact
B. abortus Ab Heat-inactivation ring test Ql (Milk)
b. abortus ab heat-inactivation ring test ql (milk)