Methods 32 cases diagnosed hemorrhagic disease with delayed vitamin - K deficiency were retrospectively analyzed.

方法回顾性分析32例儿童晚发性维生素K缺乏症所致出血性疾病患儿的临床资料.

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Hemorrhagic disease of the newborn, a life - threatening disorder, is due to inadequate vitamin K.

新生儿出血性疾病可以危及生命, 它是由维他命K摄入不足所致.

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