Burkhardt, DougBarker, MichelleLaugesen, Tracey2013-10-232013-10-231999-09-17https://hdl.handle.net/11299/158797en-USswinepigherd healthACTlNOBACILLUS PLEUROPNEUMONIAE (APP) SUBUNIT VACCINE PROVIDES CROSS PROTECTION AGAINST VIRULENT APP CHALLENGEConference Paper