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[Risk factors for overall postoperative complications in elderly patients undergoing gastrointestinal surgeries: a multicenter observational study]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
Lü X   +10 more
europepmc   +1 more source

急性脑血管病患者脂质代谢异常的临床意义

open access: closed, 2003
徐娉, 刘庆宪, 宋永建
openalex   +1 more source

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