Avian infectious laryngotracheitis virus Ag:PrThr:Pt:Trac:Ord:Immune diffusion
avian infectious laryngotracheitis virus ag:prthr:pt:trac:ord:immune diffusion
Avian infectious laryngotracheitis virus Ag [Presence] in Trachea by Immune diffusion (ID)
avian infectious laryngotracheitis virus ag [presence] in trachea by immune diffusion (id)