Frequency of endoscopic findings of equine squamous gastric disease (ESGD) in rural horses and its association with Helicobacter pylori virulence genes. - REZAZADEH, FEREYDOON; POUREBRAHIMI, NEGAR; GHOTASLOU, REZA; NASAB, MAHSA GOLSHANI; MEMAR, MOHAMMAD YOUSEF (Veterinární Medicína, 2022)