所以实际上，双盲对照研究并不会保证疗效和安全，因为它留下太多无法回答的问题。
So, in fact, this double blind placebo controlled study does not guarantee safety or efficacy because the test leaves far too many questions unanswered.
太原东方男科医院拥有由32名男科权威专家组成的专家团队，保证疗效和安全。
Taiyuan Oriental male hospital owned by thirty-two by authoritative experts composed of expert team, guaranteed results and security.
结论在正确认识疾病严重程度的基础上，熟练的分离、切割、结扎等技术及操作程序的规范化是保证LA手术安全性和疗效的关键。
Conclusions Base on the understanding of the severity of the disease, the safety and efficacy of LA depend on the skill of dissection, incision and ligation and the standardization of the operation.
为了保证患者的安全和取得疗效，对每一患者都应作出心功能评定，并制定一个锻炼方案。
In order to be safe on the one hand and effective on the other, it is necessary to make an evaluation of cardiac function of the patient before exercise and formulate a personal plan of exercise.
结论：光动力疗法是一种安全、高效的治疗方法，良好的护理措施能保证和提高其疗效。
Conclusion: Photodynamic therapy is a safety efficient treatment method, favorable nursing care may improve the effect...
结论：光动力疗法是一种安全、高效的治疗方法，良好的护理措施能保证和提高其疗效。
Conclusion: Photodynamic therapy is a safety efficient treatment method, favorable nursing care may improve the effect...
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