患儿,女,11个月,人工喂养,间断低热2个月余,肝脾轻度大,腋下和腹股沟淋巴结如黄豆大小,RBC 2. 7X 1012/L,Hb 80. 2g/L,WBC9.3X 109/L,分类除中性粒细胞比值偏高外,尚可见到有核红细胞和幼稚中性粒细胞,胸片示右肺可见班片模糊影,骨髓细胞学检查提示感染骨髓象,诊断应首先考虑
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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