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| Effect of Vibratory Sputum Excretion Combined with Bronchoalveolar Lavage on Patients with Severe Pneumonia |
| ZHANG Wenbo, LIU Jin, HUANG Chongming, XU Yi |
| First-author's address: Department of Respiratory and Critical Care Medicine, Longnan Hospital of the First Affiliated Hospital of Gannan Medical University, Longnan 341700, China |
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