The use of ultrasonography in the diagnosis of abdominal tumours in the horse

abdomen abdominal cavity animal diseases bazo bladder caballos cheval diagnosis diagnostic digestive system diseases enfermedades de los animales enfermedades del sistema digestivo foie horses kidneys liver maladie de l'appareil digestif maladie des animaux neoplasmas neoplasme neoplasms ovaire ovaries ovarios rate rein spleen ultrason ultrasonics ultrasonido vejiga vessie