Comparison of intraperitoneal and incisional lidocaine or ropivacaine irrigation for postoperative analgesia in dogs undergoing major abdominal surgeries

比较腹腔内注射利多卡因或罗哌卡因与切口内注射利多卡因或罗哌卡因对犬大型腹部手术术后镇痛效果