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Complete PICLE corpus of essays by Polish advanced EFL students (330,000)

/^t/Those who are against animal testing say that we have no right to inflict suffering on animals. Besides, in their opinion, animal tests are not a valid means of research. This is because, animals are anatomically and physiologically different from human beings, so we can not just apply test results to human beings. That is why, drugs that have been passed as safe after animal testing have sometimes turned out to have horrible side-effects on humans.