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公共娱乐用品ＨＢｓＡｇ污染状况调查延安医学院（７１６０００）符兆英，郭天宇为了给健康教育和公众卫生意识的建立提供一定依据，对几种公共娱乐用品上ＨＢｓＡｇ污染状况作了调查。取公共用象棋子、围棋子、跳棋子和麻将块各４０枚．以无菌操作在无菌平皿内用无菌棉拭...
Survey of HBsAg Pollution in Public Entertainment Articles Yan’an Medical College (7101600) Fu Zhaoying and Guo Tianyu investigated the status of HBsAg pollution in several public entertainment articles in order to provide a basis for establishing health education and public health awareness. Take public use chess pieces, Go pieces, stone pieces and Mahjong block of 40 pieces. Aseptic operation in a sterile dish with a sterile cotton swab ...