Asawakar S, Watanaphansak S, Asawakarn T. Report of Lawsonia intracellularis Infection in Dogs by Polymerase Chain Reaction. TJVM [internet]. 2013 Aug. 2 [cited 2026 Sep. 17];42(4):523-6. available from: https://he01.tci-thaijo.org/index.php/tjvm/article/view/10713