摘要
本文对７６４例精神发育迟滞进行病因分析。出生前因素占５２．６２％；出生时因素占１１．６５％；出生后因素占１３．２２％。病因不明占２２．５７％。作者对精神发育迟滞的预防进行讨论。
he etiological studies of 764 cases of mental retardation were analysed.Prenatal factors were 52.62%;birth causes 11.65%,postnatal 13.22%,unknown etiology 22.51%.The prevention of mental retardationwas discussed.
出处
《重庆医科大学学报》
CAS
CSCD
1994年第4期312-315,共4页
Journal of Chongqing Medical University
