- Short Communication: Comparison of Diagnostic Efficacy of a Monoclonal Antibody-based Competitive ELISA Test with a Similar Commercial Test for the Detection of Antibodies to Peste des Petits Ruminants (PPR) Virus. Singh, R.P., Saravanan, P., Sreenivasa, B.P., Shah, L.C., Singh, R.K., Bandyopadhyay, S.K. Vet. Res. Commun. (2006)