BACKGROUND AND STUDY AIMS: Percutaneous endoscopic gastrostomy is the preferred route for long-term enteral feeding.
背景和研究目的：经皮内镜下胃造瘘术是长期胃肠营养的首选措施。
BACKGROUND and STUDY AIMS: Anxiety before colonoscopy may have adverse consequences and increase requirements for sedation and analgesics.
背景和研究目的：结肠镜检查前的焦虑可能产生不利后果，增加镇痛剂和镇静剂的用量。
BACKGROUND AND STUDY AIMS: Diagnostic endoscopic retrograde cholangiography (ERC) is being replaced by endoscopic ultrasonography (EUS) in patients with suspected bile duct stones.
背景和研究目的：内镜超声检查法(EUS)代替诊断性内窥镜逆性胆管造影术(ERC)检查可疑的胆管结石患者。
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