Detection of specific Mycoplasma conjunctivae antibodies in the sera of sheep with infectious keratoconjunctivitis Luc Belloy, Marco Giacometti, El-Mostafa Abdo, Jacques Nicolet, Margrit Krawinkler, Martin Janovsky, Urs Bruderer and Joachim Frey Vet. Res., 32 2 (2001) 155-164 DOI: 10.1051/vetres:2001118