This study investigates recent trends in the absolute difference in overall and cause-specific infant mortality rates between non-Hispanic black infants and white infants.

中文翻译：

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美国黑人和白人婴儿死亡率差异的趋势

本研究调查了非西班牙裔黑人婴儿和白人婴儿之间总体和特定原因婴儿死亡率绝对差异的最新趋势。