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| Effect Observation of Endoscope Assisted NTAN Injection Combined with Drugs in the Treatment of Non-varicose Upper Gastrointestinal Bleeding |
| AO Jitao, ZHONG Min, CHEN Hu，SONG Huanqi |
| First-author's address: Wanzai County People's Hospital, Jiangxi Province, Wanzai 336100, China |
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