方法回顾性分析疑难颈部肿物诊疗的临床资料。
Methods Surveying difficult clinic about diagnosis and treatment of neck tumour retrospectively.
目的：分析疑难危重率对平均住院日的影响程度。
Objective: Analyze the degree of impact of mean in-hospital day by ratio of severity.
目的分析疑有染色体异常个体的9号染色体异染色质区的变异。
Objective:To analysis the aberration of chromosome 9 heterochromatin for persons suspected to have chromosome abnormalities.
目的分析疑有染色体异常个体的9号染色体异染色质区的变异。
Objective:To analysis the aberration of chromosome 9 heterochromatin for persons suspected to have chromosome abnormalities.
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