It indicates only correct integrative treatment can improve survival rates.

提示正确的综合治疗才能提高生存率。

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However, they add, new effective and tolerable agents are needed to improve survival in older patients.

他们补充说，而提高更大年龄患者的生存率还需要新的有效的相容的因子。

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For example, psychological interventions to reduce stress may impact the immune system and improve survival.

例如，进行心理干预以减轻压力，可能会影响免疫系统，提高存活率。

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And research continues. A new study has shown that aspirin can improve survival in colon cancer patients.

VOA: special.2009.09.01

Professor Christian says that study showed the supplements could improve child survival.

VOA: special.2011.01.05

But even if the drugs improve survival only minimally, they are likely to be approved, he says.

FORBES: Targeting Melanoma

The colon cancer Vectibix did not improve survival in head-and-neck cancer, maker Amgen announced this morning.

FORBES: Amgen's Vectibix Fails In Head-And-Neck Cancer

Only Taxotere, from Sanofi-Aventis, has been shown to improve survival in these men.

FORBES: Magazine Article