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| Effect of Mask Airbag Oropharyngeal Ventilation Tube Combined with Tracheal Intubation Ventilation on Arterial Blood Gas Indicators and Prognosis of Patients with Emergency Cardiopulmonary Resuscitation |
| LUO Liangliang |
| First-author's address: The Second Affiliated Hospital of University of South China, Hengyang 421000, China |
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Received: 28 December 2022
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