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1990年11月,我们对本市31家个体诊所(主要是针灸科和牙科)的乙型肝炎表面抗原(HBsAg)污染情况进行了调查。采样时,取装有2ml 0.01 M磷酸盐缓冲液的试管,用无菌棉签蘸取缓冲液,对物品表面反复擦拭。针灸针以30根为一份样品,牙科器械5～10件为一份样品,其它物品据实际情况而定。对采样
In November 1990, we investigated the status of hepatitis B surface antigen (HBsAg) contamination in 31 individual clinics in the municipality, mainly acupuncture and dentistry. Sampling, take 2ml 0.01 M phosphate buffer tube, with a sterile cotton swab dipped in buffer, repeatedly wipe the surface of the item. Acupuncture needle to 30 for a sample of dental equipment 5 to 10 for a sample, other items according to the actual situation. Right sampling