The new pain-relieving drug is protected by patent.
这种新的止痛药受到专利保护。
New studies are needed to understand the mechanism underlying this simple non-drug pain-relieving approach.
需要做进一步研究以了解这种简单非药物止疼方法的机制。
To systematically review the evidence for the efficacy of drug therapy in relieving pain in ALS.
予以系统性回顾缓解疼痛之药物效用。
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