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一、药物组成及操作方法: 药物:15%氯化钠溶液2ml(无菌),2%奴佛卡因2ml(无菌)。操作方法: 用消毒的5ml空针抽取15%氯化钠溶液
First, the composition and operation of drugs: Drugs: 15% sodium chloride solution 2ml (sterile), 2% Novocaine 2ml (sterile). Method of operation: Sterile 5ml empty needle extraction 15% sodium chloride solution