The magnetic microspheres may be an alternative of cancer cure, with better anticancer efficacy and less side effects as vehicles for the targeting drug agent.

磁性微球作为靶向药物载体有利于提高药物疗效，降低药物的毒副作用，为化疗药物的临床应用开辟了新途径。

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When a patient, particularly the elderly is prescribed frequently to take more than one therapeutic agent, drug interactions resulting in toxicity will occur.

病人(特别是老年病人)经常性使用一种以上治疗药物的话，往往会发生产生毒性药物的相互作用。

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An agent, such as an analgesic drug, that relieves pain.

镇痛剂一种药剂，如止痛药，减轻疼痛。

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In the lawsuit Armstrong says the USADA has been working with Food and Drug Administration agent, Jeff Novitzky, who is famous for his work on BALCO, Marion Jones and, more recently, on Armstrong himself.

FORBES: It's Time To Bring The Lance Armstrong Case To A Close

The hormone was prepared from human pituitary glands recovered from cadavers, and the absence of rigorous collection guidelines and purification procedures permitted contamination of the formulated drug with the agent that causes Creutzfeldt-Jacob disease, the human equivalent of "mad-cow disease, " or bovine spongiform encephalopathy (BSE).

FORBES: Magazine Article

Kent Caperton, principal of the Ben Barnes Group, said in an interview that his firm was hired in July 2010 on Mr. Armstrong's behalf for a lobbying effort aimed, in part, at raising concerns about Jeff Novitzky, a Food and Drug Administration special agent who was leading the investigation into Mr. Armstrong's U.S. Postal Service cycling team.

WSJ: Armstrong Hired Lobbyist to Raise Concerns About Investigator