The professional grade whitening systems used by dentists offer significantly better results in a single visit than the consumer kits sold in drug stores.

牙医使用的专业级别的牙齿漂白方法，以及一对一服务的效果比药店里出售的套装要好的多。

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According to the FDA's letter-grade system for drug safety during pregnancy, most psychotropic drugs pose a potential risk to the fetus.

根据美国食品药品管理局（FDA）的妊娠期用药安全评级系统（共五级，link），绝大多数精神病类药物对胎儿存在潜在危险。

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Objective To investigate the selection of lowest grade of injury in compensation of adverse drug reactions (ADR) for responsible parties, and analyse the characteristics.

目的探讨药品不良反应(adr)中相关责任方对最低伤害补偿级别的选择，并分析其特征。

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Girl Scout Troop develops non-pharmaceutical remedy for sleeplessness in senior citizens: When faced with the challenge of alleviating insomnia without complicated drug interactions, The Atomic Flying Pickles, a FIRST Lego League team of 6th grade Girl Scouts hailing from Los Alamos, New Mexico , came up with a novel idea.

WHITEHOUSE: The White House