拉伤
病毒株
血清学
病毒
病毒学
生物
变化(天文学)
甲型流感病毒
微生物学
免疫学
抗体
物理
解剖
天体物理学
标识
DOI:10.3181/00379727-65-15892
摘要
Evidence is presented that an-tigenic variation took place in a line of the PR8 strain of influenza virus propagated through continuous passage in tissue culture and eggs as compared with a line of the same strain maintained in mice.
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