Sechi, L.A. and Ahmed, N. and Felis, G.E. and Duprè, I. and Cannas, S. and Fadda, G. and Bua, A. and Zanetti, S. (2006) Immunogenicity and cytoadherence of recombinant heparin binding haemagglutinin (HBHA) of Mycobacterium avium subsp. paratuberculosis: Functional promiscuity or a role in virulence? Vaccine, 24 (3). pp. 236-243. ISSN 0264-410X