以下为句子列表：
英文: From July 1992 to January 1993, a total of 5 cases of hypoplastic left heart syndrome were diagnosed by echocardiograms and confirmed by available angiographic, surgical or autopsy results.
中文: 摘要自从一九九二年七月至一九九三年一月，有五例左心发育不全症候群（以下称本病），经由超音波心图诊断，并有一例由心导管，二例由手术证实。
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