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Method: A skin incision trocar venipuncture cannula was used to replace vein incision.
方法: 采用皮肤切开套管针静脉穿刺置管代替静脉切开.
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While dorsum manus vein was selected for venipuncture on the treatment process in the control group.
观察组化疗期间选用手背静脉，化疗间歇期静脉用药时选用指背静脉给药的方法。
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