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1982年对480名16~18岁目测无明显残疾的男性青年,进行了观察,着重了解鼻中隔和鼓膜内陷情况。结果被观察480名中,鼻中隔畸形336人,占70%(见表1)。鼓膜内陷229人,占47.7%(见表2)。
In 1982, 480 men and women aged 16 to 18 who had no visible disability were examined. The focus was on understanding the septum and tympanic membrane invagination. The results were observed in 480 middle and nasal septum deformities 336 people, accounting for 70% (Table 1). Tympanoplasty in 229, accounting for 47.7% (see Table 2).