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作者用增殖于MRC-5细胞的HM175株甲型肝炎病毒(HAV),经超滤和凝胶层析提纯、福尔马林灭活后,以氢氧化铝吸附制成
The authors used HM175 strain of Hepatitis A virus (HAV), which had been propagated in MRC-5 cells, purified by ultrafiltration and gel filtration. After formalin inactivation, it was made by adsorption with aluminum hydroxide