目的：探讨小儿花剥苔发生的主要相关因素及其免疫学机制。
Objective:To approach to main correlative factors of child lingua geographica formation and the immunological mechanism.
胎儿窘迫的主要相关因素为脐带因素、羊水过少、胎盘因素等。
The major related factors of fetal distress were: abnormality of umbilical cord, oligohydramnios, and placenta abnormality.
目的研究北京市高校离退休老人心理健康状况及其主要相关因素。
Objective to investigate mental health status of retired elderly from universities in Beijing and its related factors.
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