The causes of treatment failure had close relation with clinical phase, dosage of radiotherapy, measures of combining therapy, histopathologic type and so on.

其失败原因与临床分期，放射剂量，综合治疗措施以及病理组织类型等有密切关系。

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The clinical benefits of either ezetimibe alone or combining ezetimibe with statin therapy have recently come into question.

CNN: Help me understand my cholesterol drugs

Although several light and laser therapies have FDA approval as medical devices to treat acne, no true photodynamic acne therapy, combining photosensitizer and light, has been approved.

WSJ: As More Adults Get Acne, New Photodynmic Treatments Use Light

His aim is to come up with a treatment combining drugs, electrical stimulation and plasticity-based therapy to help the 700, 000 Americans each year who are left with some permanent impairment from a stroke.

FORBES: Sharp As A Tack