患儿双下肢出现瘀点瘀癍,此时患儿可的答案
患儿双下肢出现瘀点瘀癍,此时患儿可能会出现的最严重的并发症是( )。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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