Similarly in neighbouring Mongolia, early results of surveys on hepatitis B prevalence among children are showing positive results since a national immunization campaign began in1991. 毗邻的蒙古也是一样,自1991年开展全国计划免疫活动以来,对儿童的乙肝流行率进行了调查,早期结果显示出积极迹象。
Preliminary observations on hearing-speech rehabilitation were made on 72 deaf and dumb children below 11 years old, showing satisfactory results. 本文对72例11岁以下的聋哑儿童进行了语言康复的初步观察,收到了较好的效果。