Preventing online disinformation propagation: Cost-effective dynamic budget allocation of refutation, media censorship, and social bot detection

Disinformation refers to false rumors deliberately fabricated for certain political or economic conspiracies.So far, how to prevent online disinformation propagation is still a severe challenge.Refutation, media censorship, and social bot detection are three popular approaches to stopping disinformation, which aim to clarify facts, intercept the sp

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A Rare Case of Right-Sided Heart Failure after Bentall Procedure

Pseudoaneurysms of the ascending aorta, which are rare and life-threatening complications in cardiovascular surgeries, can be caused by the Bentall procedure.We describe a 44-year-old woman, who had a medical history of acute aortic dissection (Type A) and the Bentall procedure and was admitted because of exertional dyspnea, edema of the lower extr

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