摆动 发表于 2025-3-25 04:07:23
Iain Macdonald different types of mathematical problems. We present formulations and solution concepts for such problems, together with their possible roles in bilevel optimization, and we illustrate the crucial issues concerning these solution concepts. Then, we discuss which of these issues can be positively orFolklore 发表于 2025-3-25 08:56:28
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Iain Macdonaldevent that revolutionized surgery in the past few decades. Although the majority of surgeons today are unfamiliar with the his- ry of early minimally invasive surgery developments, it is important to realize that the advent of laparoscopy led not only to new surgical te- niques, but also to a changedecode 发表于 2025-3-25 21:20:07
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Iain Macdonaldhave been advocated for evaluating the pancreas and biliary tree. Although ultrasound (US) and computed tomography (CT) are used in the initial evaluation of patients with symptoms and signs referrable to the pancreaticobiliary system, direct opacification of the biliary tree and pancreatic duct isINERT 发表于 2025-3-26 07:11:14
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Iain Macdonaldo hilar cholangiocarcinoma and distal cholangiocarcinoma based on the junction point of the cystic duct and common hepatic duct. The main risk factors of cholangiocarcinoma include bile duct stones, HBV, and HCV infection, primary sclerosing cholangitis, liver flukes, and chemical substances. The ri繁忙 发表于 2025-3-26 19:51:59
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