Are these so-called BV-associated bacteria sufficiently virulent to cause spontaneous preterm birth when present only in modest increased frequency?
这些所谓的BV相关细菌当阳性率轻度升高后是否足以导致自发性早产？
The positiveness of the contact hemolysis was correlated with the virulence of bacteria when virulent or non-virulent strains of enterobacteria were compared.
比较强毒肠道菌及其无毒突变株的溶血能力与毒力相符；
The positiveness of the contact hemolysis was correlated with the virulence of bacteria when virulent or non-virulent strains of enterobacteria were compared.
比较强毒肠道菌及其无毒突变株的溶血能力与毒力相符；
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