No abstract available
MeSH terms
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Abdomen / surgery*
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Carcinoma in Situ / surgery
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Cholecystitis / surgery
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Cholelithiasis / surgery
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Female
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Humans
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Middle Aged
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Mitral Valve Stenosis / physiopathology*
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Preoperative Care
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Rheumatic Heart Disease / physiopathology*
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Stomach Neoplasms / surgery