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AFP on MSNToll from US weekend tornadoes rises to at least 40The death toll from tornadoes and violent storms that ravaged the central and southern United States over the weekend has ...
病例资料患者,36岁,女,因黄疸、腹痛及乏力入院。患者自述每日饮酒(每周70单位)。体格检查发现黄疸、肝脾肿大、体重指数高(BMI 30 ...
Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...
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