作者: JC Atherton , RM Peek , KT Tham , TL Cover , MJ Blaser
DOI: 10.1016/S0016-5085(97)70223-3
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摘要: BACKGROUND & AIMS: vacA encodes the vacuolating cytotoxin of Helicobacter pylori and exhibits marked variation in signal sequence and midgene coding regions. The implications …