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Continue to ChatNy forskning: Kobber i svinefoder giver resistens over for antibiotika http://www.landmisbrug.dk/2010/11/04/ny-forskning-kobber-i-svinefoder-giver-resistens-over-for-antibiotika/
Ny forskning: Kobber i svinefoder giver resistens over for antibiotika http://www.landmisbrug.dk/2010/11/04/ny-forskning-kobber-i-svinefoder-giver-resistens-over-for-antibiotika/