In some cases, the introduction of screening procedures to identify potentially infected persons may be considered.

在某些情况下，可考虑采用筛查程序以查明潜在受感染的人员。

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In a study of 60 patients at an English psychiatric hospital, none had an autistic condition diagnosed after routine screening, despite 11 later being shown to have been confirmed cases.

在一个英国精神病院关于60个病人的研究案例里，通过例行检查没有人显示有孤独症症状，后来其中有11个得到了确认。

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Almost 80% of cases today and an even higher proportion of deaths from cervical cancer occur in low-income countries, where access to cervical cancer screening and treatment virtually does not exist.

目前近80%的宫颈癌病例以及更高的死亡率发生在低收入国家，那里几乎无法获得宫颈癌筛查和治疗。

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Giery said every donor program does extensive testing of every potential donor, but rabies isn't part of the routine screening, partly because human cases are so rare.

NPR: NC Airman At Center Of Rabies Case Was Outdoorsman

Donovan said that in all cases, the intruders encountered other levels of screening and security before meeting the presidents.

CNN: Secret Service report details 91 breaches

In both cases, including ROE in a list of screening criteria can help narrow down the list of potential investment candidates.

FORBES: Beware: Weak Link Between Return On Equity And High Stock Price Returns