5毫升剂量要求使用低压针头，以保证注射效果。
Use of the 0.5 ml dose requires the use of a low pressure hand piece to work effectively.
可以通过增加一定厚度的等效膜来提高整个靶区治疗的剂量要求。
Using certain depth bolus may attain the therapeutical dose of target area.
最关键的还是担心这些药物在使用时没有按照剂量要求而过量服用所导致的潜在危害。
A key concern has been the potential for accidental overdoses if the dosing instructions for those drugs aren't followed exactly as instructed.
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