Lab-grown oesophagus restores pigs’ ability to swallow. Engineered tissue could eventually be used for children born with gaps in their alimentary canal, or for adults whose muscles have been damaged by cancer.

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"My optimism slowly eroded," Harris confesses. "I recognized the probable deception but resisted acknowledging it completely.

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郭瑞,专栏作家,多年从业经验,致力于为读者提供专业、客观的行业解读。

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