Helicobacter Detection in the Stomach of Apparently Normal Donkeys: Sampling, Diagnostic Methods, and Implications for Equine Glandular Gastric Disease and Serum Antioxidant Status Journal title: Iranian Journal of Veterinary Science and Technology (IJVST) Authors: Masoud Ahmadnejad, Ghader Jalilzadeh-Amin, Monireh Khordadmehr Subject(s): Veterinary Science