familial aggregation的用法和樣例：
例句
- If a disease has a genetic basis, it will occur in familial aggregates.
如果一種疾病有遺傳基礎，它將以家族聚集性的方式發生。 - Although familial aggregations of lung cancer have been reported since 1963 in the United States, it has been rarely documented in Taiwan.
摘要雖然肺癌的家族聚集性在美國自一九六三年就有報告，在台灣卻罕有文獻記載。
