• 2021-04-14
    However, results from several small studies in humans have yielded inconclusive evidence of a beneficial _____ of ascorbic acid on lead toxicity.
  • effect

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      nconsistent with previous studies, our results from a large cohort of patients _____ this long-standing assumption.

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      There have been few long-term studies about.... A: Introduction B: Method C: Results D: Discussion

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      Studies have shown _____ teenagers often suffer from depression.

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      There is really no evidence from scientific studies that vitamin C can lower the incidence of the common cold, or prevent it in the first place.

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      17. ________ several hypotheses have been made for the changing of the climate in the area, no conclusive evidence supports any of them.