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This Test Guideline describes an assay that assesses early life-stage effects and potential adverse consequences of …. In the test, fish are exposed, from newly fertilized egg until the completion of sexual differentiation at about 60 days … post hatch, to at least three concentrations of the test substance dissolved in water. In each treatment level and control …
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Are breast cancer survival rates higher in the United States than in the United Kingdom and France? Are a patient's chances of dying within 30 days after admission to a hospital with a heart attack lower in Canada than in Korea? Are surgeons in some countries more likely to leave “foreign...
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