Johnson, ErinDiaz, EdgarHolck, J.T.2013-07-172013-07-172008-09-22https://hdl.handle.net/11299/152822en-USswinepigherd healthA comparison of cross-sectional quantitative PCV2 PCR vs. individual animal quantitative PCV2 PCR and associated necropsy findings in 4 casesConference Paper