Wallace, R. J., Wood, T., Becker, K., Hoffman, E., Selje, N., López, S., Kliem, K. E., Morgan, R., Mould, F. L., Duffy, C., Losa, R., Frehner, M., Jackson, F., Højberg, O., Jensen, B. B., Bomba, A., Kaldhusdal, M. & Jozefiak, D. (2005). REPLACE?: Plants and their extracts and other natural alternatives to antimicrobials in feeds. I International debate conference for the Feed & Food Chain. Antimicrobial growth promoters: Worldwide ban on the horizon? January 31-February 1. The Netherlands, P21, Abstract (s. 111-111)