The unusually high mortality rate among dolphin calves in the industrially contaminated waters along Florida's Gulf Coast is probably the result of their being poisoned by their mother's milk.

在佛罗里达海湾沿岸被工业污染的水域中，海豚幼崽异常高的死亡率可能是被它们母亲的乳汁毒害的结果。

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Our main findings confirmed dementia has high mortality.

我们的一些主要发现证明了痴呆症具有高的致死性。

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They also have high mortality and abnormality rates, he said.

它们的死亡率和畸形率也很高。

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Novy-Hildesley explains, the doctor faced a high rate of infant mortality in the clinic.

VOA: standard.2009.12.18

Maternal mortality in America is particularly high in New York City, where extremes of wealth and poverty abound, says Deborah Kaplan, who oversees the Bureau of Maternal, Infant and Reproductive Health for New York City's health department.

VOA: standard.2010.06.23

The fact that Medicaid patients exhibit high mortality rates is an important descriptive finding.

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People with serious illnesses (and substance use disorders have a high mortality rate) are vulnerable.

FORBES: Addiction And Ethics: The Problem With Dr. Drew's 'Rehab'

He said concerns were raised by cardiologists and the analysis of data which indicated high mortality rates.

BBC: LGI children's heart surgery data 'sound'