Multiplex PCR that can distinguish between immunologically cross-reactive serovar 3, 6, and 8 Actinobacillus pleuropneumoniae strains - Zhou, L; Jones, SCP; Angen, O; Bosse, JT; Nash, JHE; Frey, J; Zhou, R; Chen, HC; Kroll, JS; Rycroft, AN; Langford, PR (JOURNAL OF CLINICAL MICROBIOLOGY, 2008)