Characterization of In Vivo acquired resistance of Mycoplasma hyopneumoniae to macrolides and lincosamides., Stakenborg, Tim, Vicca Jo, Butaye Patrick, Maes Dominiek, F Minion Chris, Peeters Johan, de Kruif Aart, and Haesebrouck Freddy , Microb Drug Resist, 2005 Fall, Volume 11, Issue 3, p.290-4, (2005)