Creatinine clearance should be calculated for every elderly patient to enable appropriate dosing.

应计算每个老人肌酐清除率以决定合适的药物剂量。

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Therefore, the pump body and screw cylindrical surface and screw and screw clearance should be as small as possible.

因此，泵体与螺杆外圆表面及螺杆与螺杆间隙应尽可能小些。

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Conclusions total gastrectomy plus D2 or D2 + lymph nodes clearance should be a standard operation mode for proximal gastric carcinoma.

结论胃体以上近端胃癌行全胃切除D2或D2 +清除为标准方式。

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