ประโยคภาษาจีน : 中文句子 |
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mù dì 目的 liǎo jiě 了解 dōng chéng qū 东城区 suì 岁 ér tóng 儿童 de 的 yǐ xíng gān yán 乙型肝炎 xuè qīng 血清 miǎn yì 免疫 zhuàng kuàng 状况 jí 及 yǐ gān yì miáo 乙肝疫苗 miǎn yì 免疫 xiào guǒ 效果 |
Objective This investigation was to have a better understanding of serological immunization against hepatitis B and immunological efficacy among children aged between 3 and 12 in Dongcheng District. |