Lawsonia intracellularis Ag:PrThr:Pt:Tiss:Ord:Immune stain
lawsonia intracellularis ag:prthr:pt:tiss:ord:immune stain
Lawsonia intracellularis Ag [Presence] in Tissue by Immune stain
lawsonia intracellularis ag [presence] in tissue by immune stain