这个词是什么意思？
The event that a FETUS is born alive with heartbeats or RESPIRATION regardless of GESTATIONAL AGE. Such liveborn is called a newborn infant (INFANT, NEWBORN).
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D050498 · MeSH 2026。
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