Whether or not they reflect the consequences of a poisoning can best be ascertained by demonstrating the presence of a toxic agent in a biological sample.

它们是否反映中毒的影响，通过证实生物检材中是否有毒物存在，就完全能得出定论。

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The next step for Wu and her colleagues is linking the non-invasive imaging advance with a treatment component, activating a toxic agent in the genetic payload to kill the spreading cancer cells.

Wu和她的同事的下一步工作是将先进的非侵入性成像技术和治疗环节联系在一起，激活导入的基因中的某一毒性物质来杀死扩散的癌细胞。

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The U.S. Army says it is looking into a report that drums of the Vietnam War-era toxic defoliant Agent Orange were buried at an American military facility in South Korea 33 years ago.a.

美国陆军表示，正在调查一则关于一些越南战争时期使用的有毒落叶剂“橙剂”33年前被埋在韩国的一处美军设施地下的报导。

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According to the October 1994 Reader's Digest, Mr. Mirzayanov is personally aware of Russia's development of a class of binary chemical weapons (formed by combining two relatively safe chemicals to produce a toxic agent) nicknamed "Novichok" (Newcomer).

CENTERFORSECURITYPOLICY: A Noxious Arms Control Treaty

Avastin in colon cancer only works when combined with older chemo drugs, despite all the hype about it being a less-toxic targeted agent.

FORBES: Drawing The Line On Overpriced Cancer Drugs

Nobody knows exactly how Cleopatra snuffed herself, the asp agent discredited, but she was a great student of toxic poisons, inclusive of cobra venom.

FORBES: Magazine Article