完整Rockall和临床Rockall危险评分对老年急性非静脉曲张上消化道出血评估价值
완정Rockall화림상Rockall위험평분대노년급성비정맥곡장상소화도출혈평고개치
Predictive values of full and clinical Rockall score in the elderly patients with acute nonvariceal upper gastrointestinal bleeding
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