Objective To investigate a expander placement technique for fast tissue expansion.

目的研究适合快速组织扩张术的扩张器置入方法。

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Special stains failed to reveal any acid-fast bacilli, and multiple acid-fast tissue cultures were negative.

标本的抗酸染色找抗酸杆菌阴性，多个标本的抗酸培养也为阴性。

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Depending on its origin, a graft can differ in size, thickness and how fast it generates tissue.

CNN: Lab-created skin helps wounds heal

But she has developed an equation that takes into account how fast tumors divide and disperse through brain tissue and can predict their path.

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