目的了解肝硬化上消化道出血的时间和季节分布特征，为预防和治疗提供理论依据。
Objective To find out the distributing characteristic of time and season of cirrhotic upper gastrointestinal bleeding, provide reliable theory basis for prevention and therapy.
目的了解肝硬化上消化道出血的时间和季节分布特征，为预防和治疗提供理论依据。
Objective To find out the distributing characteristic of time and season of cirrhotic upper gastrointestinal bleeding, provide reliable theory basis for prevention and therapy.
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