A continued source of controversy in orthopaedic trauma is whether increased time to surgical debridement increases the infection rate in patients with open fractures.

是否外科清创术时间的增加也增加了开放性骨折患者的感染率是创伤骨科持续争论的焦点。

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"A range of factors likely contribute to continued transmission in these age groups, " said Wolitski, noting the marked difference in age at the time of infection in the different racial groups.

CNN: CDC: Blacks, gays at high risk for HIV infections