Methods a retrospective descriptive epidemiological investigation was conducted to analyze the clinical features and epidemiological characteristics of the patient.
方法对患者的流行病学及临床资料进行回顾分析。
Methods a retrospective descriptive epidemiological investigation was conducted to analyze the clinical features and epidemiological characteristics of the patient.
方法对患者的流行病学及临床资料进行回顾分析。
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