方法住院甲状腺疾病采用回顾性调查方法。
Methods Hospital records for all thyroid diseases were reviewed using retrospective approach.
方法采用回顾性调查方法查阅甲状腺疾病住院病历。
Methods Information on hospitalized thyroid diseases was collected by retrospective approach.
方法采用回顾性调查方法总结分析84例复杂肝包虫病的手术方法。
Methods the retrospective investigation was carried out to analyze the data from 84 operated cases with complicated hepatic echinococcosis.
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