Drupal-Bibcite0<style face="normal" font="default" size="100%">Comparing validation of four ELISAsystems for detection of Salmonella Derby- and S almonella Infantis-infected pigs</style><style face="normal" font="default" size="100%">Comparing validation of four ELISAsystems for detection of Salmonella Derby- and S almonella Infantis-infected pigs</style>