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#PHM 4/14: Efficacy of a novel intradermal Lawsonia intracellularis vaccine in pigs against experimental infection and under field conditions by Ton Jacobs and Ruud Segers et al. https://t.co/GSzmX1qZez
#PHM 4/14: Efficacy of a novel intradermal Lawsonia intracellularis vaccine in pigs against experimental infection and under field conditions by Ton Jacobs and Ruud Segers et al. https://t.co/GSzmX1qZez