src: Although thalidomide was never approved in the United States, the horror surrounding its effects led Congress to toughen the drug approval process by requiring manufacturers to prove their medicines were both safe and effective.
tgt: Embora a talidomida nunca tenha sido aprovada nos Estados Unidos, o horror que cercou seus efeitos colaterais levou o Congresso a dificultar o processo de aprovação de medicamentos exigindo que os fabricantes provem que eles são seguros e eficazes.