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| Efficacy and Safety of Four-hole Laparoscopic Perforation Repair in Patients with Acute Perforation of Gastroduodenal Ulcer |
| QU Tao |
| First-author's address: Gastrointestinal Hernia Surgery, Liupanshui Municipal People's Hospital, Liupanshui 553000, China |
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Received: 20 February 2025
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