Antimicrobial Usage and Resistance in Companion Animals: A Cross-Sectional Study in Three European Countries oleh Philip Joosten, Daniela Ceccarelli, Evelien Odent, Steven Sarrazin, Haitske Graveland, Liese Van Gompel, Antonio Battisti, Andrea Caprioli, Alessia Franco, Jaap A. Wagenaar, Dik Mevius, Jeroen Dewulf