Efficacy of Sulbactam, a B-lactamase Inhibitor, Combined with Ampicillin in the Therapy of Ampicillin-resistant Pneumonic Pasteurellosis in Feedlot Calves
Efficacy of Sulbactam, a B-lactamase Inhibitor, Combined with Ampicillin in the Therapy of Ampicillin-resistant Pneumonic Pasteurellosis in Feedlot Calves(English)