Objective: To investigate the clinical features, diagnosis and treatment of delayed Vit K deficiency in infants.

目的：了解婴儿晚发性维生素k缺乏症的临床特征，进一步探讨其诊断和治疗。

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Objective: To explore the ct findings of late onset Intracranial hemorrhage in vitamin K (vit K) deficiency.

目的：探讨迟发型维生素k缺乏性颅内出血的CT表现。

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