紫癜的皮下出血直径为( )
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
患者女性,17岁。小腿内侧对称性皮下出血性紫癜,检查后诊断为血小板减少性紫癜,治疗药物为()
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